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ZDI-26-709: Cisco Secure Firewall Management Center CommandSinkRmi Deserialization of Untrusted Data Remote Code Execution Vulnerability

ZDI disclosed CVE-2026-20242, an unauthenticated deserialization flaw in Cisco Secure Firewall Management Center enabling remote code execution (CVSS 8.1).

ZDI published advisory ZDI-26-709 describing deserialization of untrusted data in Cisco Secure Firewall Management Center's CommandSinkRmi component, tracked as CVE-2026-20242 with CVSS 8.1. Remote attackers can execute arbitrary code on affected installations without authentication. The advisory does not indicate whether exploitation has been observed in the wild.

ZDI Published AdvisoriesSep 16, 05:00 UTC · 1d agoVulnerability 11 sources CVE-2026-20242

Cisco Secure Firewall Adaptive Security Appliance, Secure Firewall Threat Defense, and Secure Firewall Management Center Software Hardening Release: September 2026

Cisco's September 2026 firewall hardening release fixes internally found ASA, FTD, and FMC flaws, two of which are actively exploited.

Cisco released September 2026 hardening updates for Secure Firewall ASA, FTD, and FMC software addressing multiple vulnerabilities discovered during a comprehensive internal security review. Two of the vulnerabilities are known to be actively exploited, including a Cisco Secure Firewall Management Center static credential vulnerability. Details are provided in separate linked advisories.

Cisco Security AdvisoriesSep 16, 16:00 UTC · 19h agoAdvisory in the wild 6 sources

Active exploitation of Cisco Secure Firewall Management Center vulnerabilities

Cisco Talos reports in-the-wild exploitation of critical FMC flaw CVE-2026-20079 by three clusters including a Sandworm-linked APT and Qilin ransomware affiliates.

Cisco Talos is tracking active exploitation of CVE-2026-20079 (CVSS 10.0), an authentication bypass in Cisco Secure Firewall Management Center that lets unauthenticated remote attackers execute scripts and obtain root access, and CVE-2026-20316 (CVSS 5.3), which permits low-privileged logins and can be chained for privilege escalation. Talos identified three post-compromise clusters: UAT-12197 deploying JSP web shells and a JAR command executor for credential theft; UAT-11823, an APT overlapping with Sandworm, deploying a Netcat reverse shell and Cyclops Blink malware; and UAT-11988, assessed as a ransomware operator with TTPs consistent with Qilin affiliates. Hotfixes are available, with a comprehensive hardening release due the week of September 14, 2026.

Cisco TalosSep 9, 16:08 UTC · 7d agoExploit / PoC in the wild 2 sources CVE-2026-20079 CVE-2026-20316

Cisco security advisory (AV26-197) – Update 3

CISA added Cisco CVE-2026-20079 to its KEV catalog; the Canadian Cyber Centre urges updates across Secure Firewall ASA, FTD, FMC, and SCC products.

The Canadian Centre for Cyber Security updated advisory AV26-197 covering March 2026 Cisco advisories for Security Cloud Control, Secure Firewall Management Center, ASA, and FTD. Cisco confirmed CVE-2026-20131 was actively exploited on March 18, 2026, and CISA added it to KEV on March 19. In Update 3, dated September 9, 2026, CISA added CVE-2026-20079 to the KEV catalog. The underlying flaws include FMC authentication bypass and remote code execution, ASA TCP-flood denial of service, and ASA/FTD IPsec denial of service.

Canadian Centre for Cyber SecuritySep 9, 20:04 UTC · 7d agoExploit / PoC in the wildCVE-2026-20131 CVE-2026-20079

We've got one word for it, and it's usually the wrong one

Cisco Talos's Threat Source newsletter critiques 'burnout' terminology, describing four occupational injuries, and flags a UAT-10820 WebDAV stealer campaign at a Ukrainian government organization.

Cisco Talos's Threat Source newsletter argues that 'burnout' is the wrong word for most cybersecurity occupational harm, distinguishing exhaustion, secondary traumatic stress, vicarious trauma, and moral injury based on clinical literature from trauma-exposed professions. The featured disclosure describes a complex WebDAV infection chain found at a Ukrainian government organization, attributed with moderate confidence to the Russian-tracked actor UAT-10820 and assessed as an opportunistic cryptocurrency and credential-stealing operation. The campaign delivers the Amatera stealer alongside ZigCryptoStealer and NetSupport Manager, abusing BNB Smart Chain bulletproof hosting, fake CAPTCHA prompts, a vulnerable driver to kill EDR, and rundll32.exe execution of disguised DLLs with ordinal calls. Weekly headlines also cover a Microsoft Defender 'ShieldCrash' zero-day exploit released after September 2026 Patch Tuesday, a North Korean Linux espionage toolkit backdooring HAProxy, and a multi-hop Google-domain redirect phishing campaign.

Cisco TalosSep 10, 18:00 UTC · 6d agoIndustry in the wild1

Cisco confirms CVE-2026-20079 Secure FMC flaw exploited in attacks

Cisco confirmed active exploitation of CVE-2026-20079, a CVSS 10.0 authentication bypass enabling unauthenticated root command execution in Secure FMC; CISA added it to KEV.

Cisco confirmed in August 2026 that CVE-2026-20079 (CVSS 10.0), an unauthenticated authentication bypass in Secure Firewall Management Center, is being actively exploited, allowing remote attackers to execute scripts and commands as root via crafted HTTP requests to the web interface. CISA added the flaw to its Known Exploited Vulnerabilities catalog, ordering federal civilian agencies to patch by September 12, 2026. Shared IOCs, identical hot fixes, and a July 23 log entry suggest CVE-2026-20079 was used alongside the separately exploited static-credential flaw CVE-2026-20316 in the same attacks. Cisco released patches and cloud fixes, warns hot fixes do not remediate already-compromised devices, and says there are no workarounds.

BleepingComputerSep 9, 21:40 UTC · 7d agoExploit / PoC in the wildCVE-2026-20079 CVE-2026-20316

Metasploit Wrap Up: This One Goes to Sixteen!

Metasploit adds 16 modules including 10 exploits, five covering CISA KEV vulnerabilities in Cisco, SonicWall, PaperCut, JetBrains and Langflow.

Rapid7's weekly Metasploit update ships 16 new modules, 10 of them exploit modules, with five targeting CISA KEV entries. New exploits cover Cisco Secure Firewall Management Center auth bypass (CVE-2026-20079), a SonicWall SMA1000 SSRF-to-root RCE chain (CVE-2026-83548/CVE-2026-83549), JetBrains TeamCity deserialization RCE (CVE-2026-63077), PaperCut NG/MF chain (CVE-2026-81578/CVE-2026-82078), and Langflow authenticated RCE (CVE-2026-19295). The SonicWall and PaperCut chains were reported as actively exploited zero-days, and a new ESC8 relay module exploits CVE-2026-20929 against AD CS Web Enrollment.

Rapid7 BlogSep 11, 13:35 UTC · 5d agoTools in the wildCVE-2025-66516 CVE-2025-54988 CVE-2026-20929+8 CVEs1

Attackers Exploit Critical Cisco FMC Flaw to deploy Qilin ransomware

Three threat groups, including Qilin ransomware operators, exploit critical Cisco FMC flaws CVE-2026-20079 and CVE-2026-20316 for root access, credential theft, and ransomware.

Cisco Talos identified three post-compromise clusters exploiting recently patched Cisco Secure Firewall Management Center flaws. UAT-12197 deploys JSP web shells and harvests credentials; UAT-11823 (with Sandworm-overlapping tooling) installs Cyclops Blink for persistence; UAT-11988 (Qilin) uses static credentials, extensive reconnaissance, SOCKS5 proxies, reverse-SSH tunnels, AV killers, and ransomware deployment. CISA added CVE-2026-20079 to the KEV catalog with a September 12, 2026 patch deadline for federal agencies; Cisco urges immediate hotfix application.

Security Affairsupdated Sep 14, 09:27 UTC · 3d agofirst Sep 11, 10:14 UTC · 6d agoExploit / PoC in the wild 8 sources CVE-2026-20079 CVE-2026-203165· 2 reads

Cisco Advance Notification for Publication of September 16, 2026, Security Advisories

Cisco will publish security advisories with fixed software on September 16, 2026, covering BroadWorks, ISE, Nexus Dashboard, ASA, FMC, FTD and ThousandEyes.

Cisco PSIRT announced advance notification for security advisories to be published on September 16, 2026, along with fixed software releases. Affected products include BroadWorks CommPilot Application Software, Identity Services Engine (ISE), Nexus Dashboard, Secure Firewall ASA, Secure Firewall Management Center (FMC), Secure Firewall Threat Defense (FTD), and ThousandEyes Virtual Appliance. ISE, Nexus Dashboard and the Secure Firewall products receive security hardening releases, and the ASA, FMC and FTD advisories will be included in the same combined release.

Cisco Security AdvisoriesSep 9, 16:00 UTC · 7d agoAdvisory

Week in review: Linux rootkit deployed on F5 BIG-IP APM devices, Cisco FMC bugs exploited

Weekly roundup: Cisco FMC and N-able N-central zero-days exploited in the wild, MikroTik RouterOS hijacks, Microsoft Patch Tuesday ships two exploited zero-days.

State-sponsored and financially-motivated attackers are actively exploiting CVE-2026-20079, a critical authentication bypass in Cisco Secure Firewall Management Center (FMC), alongside CVE-2026-20316. N-able issued an emergency hotfix for CVE-2026-86218, a critical pre-auth RCE in the N-central RMM platform exploited in the wild. CERT Polska disclosed six RouterOS vulnerabilities being chained to hijack internet-exposed MikroTik devices. Microsoft's September 2026 Patch Tuesday shipped a record patch count including two zero-days, while roughly 67,000 Trezor customers faced phishing after a shipping-partner breach and researchers privately disclosed a zero-click WeChat worm to Tencent.

Help Net SecuritySep 13, 08:00 UTC · 4d agoExploit / PoC in the wildCVE-2026-20079 CVE-2026-20316 CVE-2026-862182· 1 read

Organizations Warned of Cisco Secure FMC Exploitation

Cisco and CISA warn that critical FMC authentication bypass CVE-2026-20079 is actively exploited; CISA added it to the KEV catalog with a September 12 deadline.

Cisco and CISA flagged active exploitation of CVE-2026-20079, a critical authentication bypass in Cisco Secure Firewall Management Center allowing remote, unauthenticated attackers to run malicious scripts and gain root access via crafted HTTP requests. Cisco patched the flaw in early March and added IoCs in late July, but confirmed active exploitation in its September 9 advisory; CISA added it to the KEV catalog requiring federal remediation by September 12. Talos identified three activity clusters exploiting CVE-2026-20079 and CVE-2026-20316, including state-sponsored and financially motivated actors, and this is the third FMC vulnerability in KEV this year after CVE-2026-20316 and CVE-2026-20131.

SecurityWeekSep 10, 10:06 UTC · 7d agoExploit / PoC in the wildCVE-2026-20079 CVE-2026-20316 CVE-2026-20131

Cisco patches Secure Email Gateway zero-day exploited in attacks

Cisco patches actively exploited Secure Email Gateway zero-day CVE-2026-76461 enabling unauthenticated root command execution; CISA adds it to KEV.

Cisco disclosed that a critical zero-day (CVE-2026-76461) in the email parsing logic of AsyncOS for Secure Email Gateway is being actively exploited, allowing unauthenticated remote attackers to execute arbitrary SQL statements that lead to root-level command execution on virtual and physical appliances. CISA added the flaw to its KEV catalog and ordered federal agencies to patch within three days, by September 17. Cisco also patched four other critical SEG/SEWM vulnerabilities (CVE-2026-76440, CVE-2026-76441, CVE-2026-20353, CVE-2026-76443) with no evidence of exploitation, and shared IOCs including suspicious SQL statements in mail_logs.

BleepingComputerSep 15, 07:31 UTC · 2d agoExploit / PoC in the wildCVE-2026-76461 CVE-2026-76440 CVE-2026-76441+3 CVEs

Security Affairs newsletter Round 594 by Pierluigi Paganini – INTERNATIONAL EDITION

Weekly Security Affairs newsletter aggregates top stories including Cisco FMC exploitation, Qilin ransomware, Chrome zero-days, and Berlin leak.

Pierluigi Paganini's Security Affairs newsletter Round 594 (International Edition) rounds up the week's security headlines. Topics include attackers exploiting a critical Cisco FMC flaw to deploy Qilin ransomware, SonicWall mass exploitation linked to a UK council attack, multiple CISA KEV additions, Chrome zero-days used by four nation-state actors, a $320 million Liquid Network theft, and a Berlin ransomware data leak. It also covers AI security items such as agent sandbox failures and distillation campaigns by Chinese AI firms.

Security AffairsSep 13, 14:23 UTC · 3d agoIndustry in the wildCVE-2026-42016 CVE-2026-42018 CVE-2026-82329+1 CVEs1

CISA Flags Exploited Cisco, Citrix, Fortinet Flaws, Sets Sept. 12 Federal Patch Deadline

CISA adds actively exploited Cisco, Citrix, and Fortinet edge-device flaws to KEV catalog, ordering federal agencies to patch by September 12, 2026.

CISA added CVE-2026-20079 (Cisco Secure Firewall Management Center authentication bypass, CVSS 10.0), CVE-2026-19490 (Citrix NetScaler ADC/Gateway authentication bypass, CVSS 9.3), and CVE-2025-25249 (FortiOS heap buffer overflow, CVSS 7.3) to the Known Exploited Vulnerabilities catalog with a September 12, 2026 deadline for FCEB agencies. Cisco confirmed active exploitation of CVE-2026-20079 in August 2026, while Previdian honeypots logged 56 NetScaler exploitation attempts since September 3. SOCRadar attributes Fortinet exploitation to a financially motivated Russian-speaking actor deploying the PivotC2 Node.js RAT, infecting 178 of over 3,000 targeted IP addresses, mostly in the US.

The Hacker NewsSep 10, 10:36 UTC · 7d agoExploit / PoC in the wildCVE-2026-20079 CVE-2026-19490 CVE-2025-252491

Cybersecurity jobs available right now: August 18, 2026

Help Net Security lists current cybersecurity job openings at ADI Global Distribution, Schneider Electric, L'Oreal, GovCIO, Elastic, and others across multiple countries.

A recurring job roundup featuring roles such as CISO at ADI Global Distribution, Cybersecurity Analyst at Schneider Electric in India, Cybersecurity Architect at L'Oreal in France, and security engineering positions at GovCIO, Neros Technologies, Elastic, and Chamelio. Most listed positions are no longer accepting applications; several emphasize AI-enabled security environments and identity threat detection and response. No vulnerability, incident, or research content is included.

Help Net SecuritySep 9, 12:47 UTC · 7d agoIndustry 2 sources

U.S. CISA adds Cisco, Google Chromium V8, Fortinet, and Citrix NetScaler flaws to its Known Exploited Vulnerabilities catalog

CISA added actively exploited Cisco FMC, Chrome V8, Fortinet and Citrix NetScaler flaws to its KEV catalog, ordering federal patching by September 12.

CISA added four actively exploited vulnerabilities to its Known Exploited Vulnerabilities catalog. CVE-2026-20079 (CVSS 10.0) is an unauthenticated authentication bypass in Cisco Secure Firewall Management Center's web interface enabling script execution and potential root access. CVE-2026-87491 (CVSS 8.8) is an out-of-bounds write in Chrome's V8 engine — the seventh actively exploited Chrome zero-day of 2026 — fixed in Chrome 153.0.8010.36. CVE-2025-25249 (CVSS 8.1) is a heap-based buffer overflow in FortiOS/FortiSwitchManager's cw_acd daemon being exploited with the PivotC2 RAT, and CVE-2026-19490 (CVSS 9.3) is a NetScaler SAML HTTP-Redirect authentication bypass; federal agencies must patch by September 12, 2026.

Security AffairsSep 10, 18:57 UTC · 6d agoExploit / PoC in the wild 3 sources CVE-2025-25249 CVE-2026-19490 CVE-2026-87491+1 CVEs1

ASUS Control Center Critical Flaw Allows Unauthenticated Attackers to Gain Root Access

ASUS patched CVE-2026-19397 (CVSS 7.7) in Control Center Express Agent, letting unauthenticated nearby attackers with an active session take over the host.

ASUS released version 1.7.24 of Control Center Express Agent to fix CVE-2026-19397, a CWE-306 missing-authentication flaw scored 7.7 on CVSS v4. Exploitation requires an active login session on the target and nearby network access, and agent compromise could lead to complete device takeover where the agent runs with elevated privileges. ASUS also issued a same-day advisory for Armory Crate covering ten additional CVEs.

GBHackersSep 8, 10:37 UTC · 9d agoVulnerability CVE-2026-19397 CVE-2026-12962 CVE-2026-18023+8 CVEs

16 governance tools for securing your AI fleet

CSO Online reviews 16 AI governance and security tools, including Collibra, Credo AI, F5/CalypsoAI, Fiddler AI, and Guardrails AI, for managing LLM risks.

CSO Online surveys 16 vendors in the emerging AI governance and guardrails market for keeping production LLMs in check. Featured products include Collibra's AI Command Center, Confident Security's OpenPCC, Credo AI's Govern AI Assistant, F5's acquired CalypsoAI, Fiddler AI's control plane, and Guardrails AI's Snowglobe simulator. The tools address hallucination tracking, PII leakage, prompt injection and jailbreak defense, and compliance with frameworks such as the EU AI Act, SOC2, ISO-42001, and GDPR.

CSO Online08:25 UTC · 2h agoAI tools & infra

NCSC Warns of Critical Check Point VPN Flaws as Large-Scale Exploitation Is Expected

Dutch NCSC warns of two critical CVSS 9.8 Check Point VPN flaws enabling unauthenticated remote code execution, urging immediate patching before mass exploitation.

The Dutch NCSC warned that CVE-2026-85102 and CVE-2026-85103, both rated 9.8 CVSS, allow unauthenticated remote attackers to execute arbitrary code on Check Point Quantum Security Gateway, Spark Firewall, and Security Management Server deployments when VPN is enabled. CVE-2026-85102 stems from improper certificate trust validation during VPN negotiation, while CVE-2026-85103 is a heap-based buffer overflow in ASN.1 certificate decoding. Check Point shipped emergency updates on September 9, 2026, including R82.10 Take 44, R82 Take 126, and R81.20 Take 166 or later, plus LivePatch for eligible systems. No public exploit code exists yet, but the NCSC rates exploitation likelihood high and recommends restricting UDP ports 500 and 4500 to known peers as a stopgap.

Cyber Security Newsupdated 05:23 UTC · 5h agofirst Sep 14, 05:11 UTC · 3d agoVulnerability 9 sources CVE-2026-85102 CVE-2026-85103

CISA Adds Four Known Exploited Vulnerabilities to Catalog

CISA added four actively exploited vulnerabilities—Fortinet buffer overflow, Citrix NetScaler and Cisco auth bypasses, and a Chromium V8 write—to the KEV Catalog.

CISA added CVE-2025-25249 (Fortinet heap-based buffer overflow), CVE-2026-19490 (Citrix NetScaler authentication bypass), CVE-2026-87491 (Google Chromium V8 out-of-bounds write), and CVE-2026-20079 (Cisco Firewall Management Center authentication bypass) to its Known Exploited Vulnerabilities Catalog based on evidence of active exploitation. Under Binding Operational Directive 26-04, Federal Civilian Executive Branch agencies must prioritize rapid remediation of these high-risk vulnerabilities on exposed assets and verify whether systems were compromised before patching. CISA encourages all organizations to adopt risk-based vulnerability management and prioritize KEV Catalog remediation.

CISA AdvisoriesSep 9, 12:00 UTC · 7d agoExploit / PoC in the wildCVE-2025-25249 CVE-2026-19490 CVE-2026-87491+1 CVEs

Weekly Cybersecurity Newsletter – Top 50 Biggest Cybersecurity Stories of the Week

GBHackers weekly digest rounds up 50 stories including Microsoft's 973-CVE patch drop, exploited Cisco FMC flaws, and Claude agent attacks.

GBHackers' September 7-12, 2026 newsletter summarizes the 50 biggest cybersecurity stories of the week. Highlights include Microsoft patching a record 973 CVEs with two exploited zero-days, active exploitation of Cisco FMC, Check Point VPN and Ivanti flaws, China-linked crews chaining Chrome and Windows zero-days, AI agents mass-exploiting PaperCut to compromise 440 servers, and the emergence of Panzer cross-platform ransomware. It also covers Anthropic and OpenAI agentic AI incidents and CrowdStrike's SafeMind launch.

GBHackersSep 15, 11:44 UTC · 1d agoIndustry in the wild

Top 10 Best Mobile Threat Defense (MTD) Solutions in 2026

Roundup of 2026 mobile threat defense tools recommends Zimperium and Lookout for targeted-attack detection and Defender for Endpoint for Microsoft shops.

This guide ranks ten mobile threat defense solutions, recommending Zimperium and Lookout for on-device detection against targeted users such as executives and journalists, and Microsoft Defender for Endpoint mobile for organizations already licensing Microsoft 365 E5. It explains that MDM enforces configuration while MTD detects attacks, and that mobile phishing now arrives via SMS, messaging apps and QR codes rather than email. It also highlights mercenary spyware and zero-click exploits as shifting requirements for high-risk users, referencing Apple's threat-notification program and Lockdown Mode.

Cyber Security NewsSep 9, 07:50 UTC · 8d agoIndustry

Cybersecurity jobs available right now: August 25, 2026

Help Net Security lists open cybersecurity roles at AT&T, Accenture, Mastercard and others across the US, Europe, India and UAE.

Help Net Security aggregated open cybersecurity positions including compliance, IAM engineering, security architecture, SOC analyst and cloud security roles. Employers include AT&T, Accenture, Mastercard, Insight, Mitiga, NEURA Robotics and Abu Dhabi Islamic Bank across the US, India, France, Germany, Ireland, Israel and UAE. Several postings emphasize identity and access management, NIS2 and GDPR compliance, and cloud security work.

Help Net SecuritySep 3, 08:28 UTC · 14d agoIndustry

The 12 Best Managed XDR Services, Compared and Priced

A comparison of twelve managed XDR providers covering pricing models, telemetry breadth, and distinguishing genuine MXDR from rebranded MDR services.

The article compares twelve managed XDR providers including Bitdefender, CrowdStrike, Palo Alto Unit 42, Trend Micro, Fortinet, Secureworks Taegis, Stellar Cyber, Ontinue, and ReliaQuest, highlighting pricing models and telemetry breadth. It explains that genuine MXDR must actively monitor identity, cloud, and email telemetry rather than merely ingest it, and typically costs 30-60% more than endpoint-only MDR. It also notes Sophos completed its approximately $859 million acquisition of Secureworks in February 2025.

GBHackersSep 9, 08:07 UTC · 8d agoIndustry 3 sources2

Cyclops Blink Evolves Into x86-64 Linux Implant With Packet Sniffing and Internal Network Scanning

Sophos uncovers a new x86-64 Cyclops Blink Linux implant with packet sniffing and internal network scanning on compromised Cisco FMC appliances.

Sophos identified a 64-bit Linux Cyclops Blink implant in August on compromised Cisco Firewall Management Center devices, persisting via SysV init scripts and masquerading as the process 'kworker01'. The modular malware runs five child processes for reconnaissance, file transfer, scanning, packet capture, and persistence, and beacons hourly over outbound TLS to hardcoded C2 89.34.96.56 on ports 43856 and 49172. The family was previously tied to Russian-linked Sandworm activity on WatchGuard appliances, though Sophos treats 2026 attribution cautiously. The packet-capture module applies configurable filters to retain credentials, cookies, and authentication tokens from raw Ethernet traffic.

Cyber Security NewsSep 14, 13:33 UTC · 2d agoMalware in the wild

Hackers Exploit Critical Cisco Secure Email Gateway Vulnerability in the Wild to Run Malicious Code

Cisco warns attackers actively exploit zero-day CVE-2026-76461 in Secure Email Gateway, gaining unauthenticated root command execution via crafted emails.

Cisco PSIRT confirmed active in-the-wild exploitation of CVE-2026-76461 throughout September 2026, a zero-day in Secure Email Gateway AsyncOS that lets remote, unauthenticated attackers execute arbitrary commands with root privileges by sending maliciously crafted emails containing injected SQL statements. Physical appliances, virtual deployments, and Cisco Secure Email Cloud instances were affected; Cisco deployed server-side remediations for cloud tenants but on-premises admins must patch themselves. Fixes ship in AsyncOS 16.5.0-780 plus branches 16.0.4-3021 and 15.5.5-0141, and no workarounds exist.

Cyber Security Newsupdated Sep 16, 13:57 UTC · 21h agofirst Sep 15, 04:14 UTC · 2d agoExploit / PoC in the wild 17 sources CVE-2026-76461

Microsoft’s September 2026 Patch Tuesday addresses 964 CVEs (CVE-2026-81963, CVE-2026-85880)

Microsoft's September 2026 Patch Tuesday fixes a record 964 CVEs, including two zero-days actively exploited in the wild.

Microsoft patched a record 964 CVEs in its September 2026 Patch Tuesday release, with 101 rated critical and 824 rated important, making it the largest Patch Tuesday to date. The release includes fixes for two zero-days that were exploited in the wild, with CVE-2026-81963 and CVE-2026-85880 highlighted in the release. Affected products span Windows core components, Office, Exchange, .NET, Visual Studio, Active Directory services (including AD CS and AD FS) and numerous Azure services. Tenable notes the release surpasses July's as the biggest ever.

Tenable BlogSep 8, 18:07 UTC · 8d agoVulnerability in the wildCVE-2026-81963 CVE-2026-858801

US offering $10 million for info on Iranian hackers behind IOControl malware

US offers up to $10 million for information on CyberAv3ngers' 'Mr. Soul,' whose IOControl malware targets US and worldwide ICS/SCADA devices.

The State Department announced a reward of up to $10 million for information on an online persona known as Mr. Soul (or Mr. Soll) tied to CyberAv3ngers, which conducts malicious cyber activity for Iran's IRGC Cyber-Electronic Command. CyberAv3ngers used the IOControl malware against ICS/SCADA devices in the US, Israel and worldwide, targeting products from Unitronics, D-Link, Hikvision and Baicells, according to Claroty and Armis analyses. The malware allows remote control of infected devices and lateral movement within victim networks. The reward follows an August action offering rewards for and sanctioning six Iranian government hackers and comes amid the widening Israel-Iran military conflict.

The RecordSep 8, 00:00 UTC · 9d agoPolicy & legal in the wild 3 sources

Best Practices for Good Endpoint Hardening | Huntress

Huntress outlines endpoint hardening best practices, citing exposed RDP, RMM tool abuse, and ClickFix social engineering as common SMB intrusion paths.

Huntress published defensive guidance on endpoint hardening for small and mid-sized businesses, drawing on observations from its SOC. The post describes common intrusion vectors: internet-exposed RDP brute-forced by automated scanners, phishing emails delivering attacker-controlled remote monitoring and management (RMM) tools, with Huntress reporting a 277% spike in RMM abuse in 2025, and ClickFix attacks using fake CAPTCHA pages that trick users into running malicious commands. Recommended controls include scanning for exposed RDP, SSH, and VPN interfaces, removing unneeded local admin rights, enabling Windows Defender tamper protection, disabling SMBv1, and standardizing on one approved remote access tool, guided by CIS and NIST frameworks.

HuntressSep 10, 15:00 UTC · 6d agoAdvisory

August 2026 CVE Landscape

Insikt Group catalogs 73 high-impact August 2026 CVEs (43 Very Critical), including PaperCut, Zimbra, and Metabase flaws actively exploited or weaponized.

Recorded Future's Insikt Group identified 73 high-impact vulnerabilities in August 2026, 43 rated Very Critical, spanning 45 vendors with Microsoft accounting for roughly 11%. 31 vulnerabilities surfaced via CISA's KEV catalog, with others validated via open sources, vendor telemetry, and honeypot data. New Nuclei detection templates were released for CVE-2025-62593 (Ray), CVE-2026-72898 (Metabase), and CVE-2026-9198 (IBM Langflow). The report also highlights two AI-assisted operations: UAT-10147 exploited Zimbra, AjaxPro, Nacos, and Telerik servers before using DeepAudit and PentestGPT post-compromise, while a separate Chinese-speaking actor weaponized Hermes Agent and DeepSeek in a failed attempt.

Recorded FutureSep 8, 00:00 UTC · 9d agoVulnerability in the wildCVE-2025-62593 CVE-2026-72898 CVE-2026-9198+4 CVEs1

Top 10 Best Google Cloud (GCP) Security Tools in 2026

An editorial scorecard ranks the top ten Google Cloud security tools for 2026, with Wiz, Sysdig, and Security Command Center leading on correlation, GKE runtime, and native depth.

The roundup evaluates ten GCP security tools across five weighted criteria including GCP-native depth, correlation, runtime protection, multicloud parity, and value. Google Security Command Center is positioned as the included native floor, while Wiz and Sysdig top the weighted scores at 4.50, followed by Prisma Cloud at 4.40. The piece notes Forseti is deprecated and that Lacework is now Fortinet's FortiCNAPP, and flags diligence around Google's acquisition of Wiz. It is an editorial assessment, not a lab test, with pricing compared by model only.

Cyber Security News08:37 UTC · 2h agoIndustry

11 Best CSPM Tools Compared (2026): Features & Pricing

CSPM comparison ranks Wiz first for agentless attack-path analysis; notes Ermetic absorbed into Tenable and Lacework into Fortinet FortiCNAPP.

An editorial comparison of eleven CSPM tools ranks Wiz as the agentless attack-path momentum leader, Prisma Cloud as the breadth benchmark, and Orca as the agentless SideScanning pioneer. It highlights consolidation: Ermetic now powers Tenable Cloud Security and Lacework became Fortinet's FortiCNAPP. The guide recommends starting with free tiers from Defender for Cloud, Prowler, and native cloud tools before buying.

GBHackersSep 15, 06:37 UTC · 2d agoIndustry1

Cybersecurity jobs available right now: December 16, 2025

Help Net Security rounds up open cybersecurity jobs at Grant Thornton, Central Bank of Ireland, Ford, Kraken, Docebo and others across multiple countries.

This is a job listing roundup covering cybersecurity openings at organizations including Grant Thornton, the Central Bank of Ireland, Ford Motor Company, Global Medical Response, banglalink, Mindrift, Kraken, PFH Technology Group, Kiwibank, Mazrui International, Docebo and Alpitronic. Roles span SOC operations, GRC, endpoint security, FedRAMP compliance, threat intelligence and privacy leadership across the USA, Ireland, India, Bangladesh, France, UAE, Canada and other locations. All listings were marked as no longer accepting applications at publication time.

Help Net SecurityAug 20, 10:46 UTC · 28d agoIndustry

National Life Group CISO expects more vulnerabilities in six months than in thirty years

National Life Group CISO Becky Palmer says agentic AI resolves four of five SOC investigations and urges AI-speed patching practices.

In a Help Net Security interview, National Life Group CISO Becky Palmer argues frontier AI will uncover more vulnerabilities in the next six months than in the last thirty years, compressing time from disclosure to weaponized exploit from weeks to hours. She reports agentic AI in her SOC resolves 4 of 5 investigations without human escalation, saving hours daily on enrichment and summarization. She also details compensating controls such as virtual patching, least-privilege restrictions, and heightened monitoring, plus procurement questions to separate working AI products from wrappers.

Help Net SecuritySep 2, 00:00 UTC · 15d agoIndustry

⚡ Weekly Recap: Chrome 0-Day, Router Hijacks, Coder Supply Chain Attack and More

Weekly recap: actively exploited Chrome V8 zero-day, MikroTik RouterOS zero-day chain, Magento StyleSmuggler backdoor, and critical N-able N-central flaws.

Google patched an actively exploited Chrome V8 type confusion zero-day, CVE-2026-85046 (CVSS 8.8), the sixth exploited Chrome zero-day of 2026. CERT Polska warned of the MikroTrick exploit chain (CVE-2026-67276 and CVE-2026-86060, CVSS 9.2) giving unauthenticated full control of MikroTik RouterOS devices via SSH, observed since September 2. Sansec disclosed the StyleSmuggler Magento/Adobe Commerce zero-day used since September 4 to inject a Rust backdoor into online stores, while N-able patched three critical N-central flaws (CVE-2026-86206, CVE-2026-86207, and CVE-2026-86218, CVSS 10.0) with Huntress observing likely exploitation. Elastic and Morphisec also detailed RevStealer, an information stealer spread via game cheats and a fake Claude Desktop app.

The Hacker NewsSep 7, 14:36 UTC · 9d agoExploit / PoC in the wildCVE-2026-85046 CVE-2026-86206 CVE-2026-86207+7 CVEs

12 Best Server Security Solutions Compared (2026): Features & Pricing

GBHackers ranks 12 server security solutions for 2026, naming CrowdStrike and SentinelOne as server EDR leaders and Trend Micro Deep Security top for virtual patching.

The guide scores 12 server security platforms across five weighted criteria, with detection and response depth and Linux parity weighted 25% each. CrowdStrike and SentinelOne lead server EDR, Trend Micro Deep Security is highlighted for virtual patching of unpatchable estates, and Microsoft Defender for Servers is noted for Azure and hybrid economics. It is an editorial assessment comparing features and pricing models rather than a lab test.

GBHackersupdated 08:33 UTC · 2h agofirst Sep 11, 07:24 UTC · 6d agoIndustry 12 sources2

Schneider Electric Easergy, EcoStruxture, PowerLogic, and Saitel Products (Update A)

CISA updated ICSA-26-169-07: CVE-2026-4827 (CVSS 8.3) insufficient entropy enables session hijacking across dozens of Schneider Electric grid products; fixes available.

CISA republished advisory ICSA-26-169-07 (Update A) for CVE-2026-4827, CWE-331 insufficient entropy in session management, scored CVSS 8.3. Affected lines include Easergy MiCOM relays and C5, EcoStruxure Power Automation (EPAS-GTW, EPAS-UI, iPMFLS), EcoStruxure Power Operation, PowerLogic P5/P7/T300/T500, and Saitel DP/T150 RTUs, with dozens of fixed versions listed. Successful exploitation could enable session hijacking and unauthorized operations on systems in energy, chemical, critical manufacturing, and water sectors. Fixes are available; no exploitation is reported.

CISA AdvisoriesSep 3, 12:00 UTC · 13d agoAdvisory CVE-2026-4827

AI made software development unrecognizable. Is cybersecurity next?

Opinion piece argues AI-driven shifts that transformed software development—agent-run SOCs, autonomous triage—will soon reshape cybersecurity operations and staffing.

A CSO Online analysis notes Google Cloud research found 90% of developers already use AI, while a March 2026 Federal Reserve paper found coder employment growth fell roughly 3% since ChatGPT's arrival. Gartner predicts 80% of organizations will run smaller, AI-augmented engineering teams by 2030. Security leaders from Contrast Security, Menlo Security and the Cloud Security Alliance expect agent-run SOCs, machine-speed containment and abundant vulnerability discovery, but caution that absorption capacity and autonomous production-environment validation remain bottlenecks.

CSO OnlineSep 16, 08:25 UTC · 1d agoIndustry

Credential Theft: How Attackers Steal & Use Stolen Credentials

Huntress explains how attackers steal credentials through phishing, AitM, infostealers, and dumping, then use them for lateral movement, BEC, and ransomware.

Huntress published an educational overview of credential theft, citing that roughly 70% of confirmed data breaches begin with stolen credentials. It details acquisition methods including phishing, adversary-in-the-middle attacks that capture MFA session tokens, infostealers (nearly a quarter of threats Huntress observed in 2025), Mimikatz-based credential dumping, credential stuffing, and password spraying. The piece then covers post-theft actions such as lateral movement, privilege escalation, account takeover, business email compromise, and ransomware, and closes with behavioral detection guidance and layered prevention strategies.

HuntressSep 10, 16:00 UTC · 6d agoResearch