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Cisco Warns of Ongoing Exploitation of Critical Email Gateway Zero-Day

Cisco Secure Email Gateway zero-day CVE-2026-76461 (CVSS 9.8) is actively exploited for root command execution; CISA added it to KEV.

Cisco disclosed critical zero-day CVE-2026-76461 (CVSS 9.8) in Secure Email Gateway, remotely exploitable without authentication via crafted emails containing malicious SQL statements, leading to arbitrary command execution with root privileges. The flaw affects physical and virtual appliances regardless of configuration and has no workarounds. Cisco PSIRT confirmed active exploitation, and CISA added the CVE to its KEV catalog on September 14 with a federal remediation deadline of September 17. Admins should review mail_logs for suspicious SQL statements such as 'COPY.*TO PROGRAM'.

Security Affairsupdated · 17h agofirst · 1d agoExploit / PoC in the wild 15 sourcesCVE-2026-764615· 2 reads

CVE-2019-1068: A remote code execution vulnerability exists in ...

CISA added CVE-2019-1068, a high-severity remote code execution flaw in Microsoft SQL Server, to its KEV catalog after confirming exploitation in the wild.

CVE-2019-1068 (CVSS 8.8, CWE-20) is an improper input validation flaw allowing unauthenticated RCE in Microsoft SQL Server 2014 SP2/SP3, 2016, and 2017 on 32-bit and x64 builds. Exploitation requires low complexity and low privileges with no user interaction, and CISA formally added it to the KEV catalog on August 26, 2026. The CVE was originally published on July 15, 2019 and carries an EPSS score of 52.8%. Administrators must inventory affected SQL Server assets and apply vendor patches on an accelerated timeline.

Web discovery (articles for new exploits & KEV entries) · 7d agoExploit / PoC in the wildCVE-2019-10681

Microsoft security advisory – September 2026 monthly rollup (AV26-896) – Update 1

Canada's Cyber Centre relays Microsoft's September 2026 rollup; CISA added exploited zero-days CVE-2026-85880 and CVE-2026-81963 to KEV.

Advisory AV26-896 from the Canadian Centre for Cyber Security summarizes Microsoft's September 2026 monthly security rollup, listing affected products across Windows, Office, .NET, Azure, Exchange and SQL Server. It notes Microsoft confirmed CVE-2026-81963 and CVE-2026-85880 have been exploited. On September 8, 2026, CISA added both CVEs to its Known Exploited Vulnerabilities catalog, and administrators are urged to apply the updates.

Canadian Centre for Cyber Security · 7d agoAdvisory in the wildCVE-2026-81963CVE-2026-858801

Attackers Exploit Critical Switchvox Flaw to Deploy Reverse Shells Without Credentials

Attackers exploit unauthenticated SQL injection CVE-2026-9586 in Sangoma Switchvox to run PostgreSQL commands and deploy reverse shells.

Threat actors are exploiting CVE-2026-9586 (CVSS 9.3), an unauthenticated SQL injection in Sangoma Switchvox SMB Edition 8.3 (104997), since August 30, 2026, running arbitrary SQL as the PostgreSQL superuser and achieving remote code execution. The /pa endpoint concatenates the user-controlled PhoneIP value into PostgreSQL queries; attackers can extract database contents, escalate to Switchvox web administrator, exfiltrate the cookie signing key to forge authentication, and invoke reverse shells. Sangoma patched the flaw in Switchvox 8.4.0.2 on July 14, 2026, roughly 4,000 instances are internet-exposed (mostly in the US), and honeypot activity from IP 176.65.148.184 deploys reverse shells followed by Base64-encoded process enumeration.

The Hacker News · 14d agoExploit / PoC in the wildCVE-2026-9586

U.S. CISA adds Metabase, Windows, and Cisco Secure Firewall flaws to its Known Exploited Vulnerabilities catalog.

CISA adds three actively exploited flaws—Cisco ASA/FTD DoS, Windows Winsock SYSTEM-level UAF, and Metabase SQL injection—to its Known Exploited Vulnerabilities catalog.

CISA added CVE-2026-20349 (CVSS 8.6, heap inspection flaw crashing Cisco ASA/FTD via crafted HTTP requests to the Remote Access SSL VPN service), CVE-2026-68820 (CVSS 7.0, use-after-free in the Windows afd.sys Winsock driver allowing SYSTEM-privilege code execution, actively exploited per Microsoft) and CVE-2026-72898 (CVSS 10.0, unauthenticated SQL injection in Metabase) to the KEV catalog. Metabase disclosed its cloud service was attacked with the 0-day, giving the intruder a path to administrator rights and stored credentials for connected databases; cloud instances were patched while self-hosted deployments need urgent updates. Under BOD 22-01, federal civilian agencies must patch by August 14, 2026, except CVE-2026-68820, due August 25.

Security Affairs · 28d agoExploit / PoC in the wildCVE-2026-20349CVE-2026-68820CVE-2026-728981

Microsoft’s Biggest Patch Tuesday: 974 CVEs, 2 Zero-Days and 20 Wormable Bugs

Microsoft's record September 2026 Patch Tuesday fixes 974 CVEs, including two exploited Windows privilege-escalation zero-days and 20 wormable bugs.

Microsoft's September 2026 Patch Tuesday fixes a record 974 CVEs, including two actively exploited zero-days: CVE-2026-85880, an ALPC heap buffer overflow, and CVE-2026-81963 in the Windows Update Stack, both CVSS 7.8 local privilege escalations. It also addresses an unauthenticated Exchange RCE (CVE-2026-55007) triggered by Visio attachment content indexing under memory pressure, an RDP use-after-free (CVE-2026-69525, CVSS 9.8), and 20 wormable flaws in DNS, DHCP, SMB, Active Directory, and other components. ZDI attributed the rising volume partly to AI-assisted vulnerability discovery, noting no corresponding spike in active exploits yet.

Security Affairs · 7d agoVulnerability in the wildCVE-2026-85880CVE-2026-81963CVE-2026-55007+3 CVEs1

"WP2Shell" Critical WordPress RCE Chain (CVE-2026-63030 & CVE-2026-60137)

CISA added the WordPress core pre-auth RCE chain (CVE-2026-63030, CVE-2026-60137) to KEV after confirmed exploitation; WordPress 6.9.5 and 7.0.2 fix the flaws.

On July 17, 2026 WordPress disclosed CVE-2026-63030, a REST API route-confusion flaw, and CVE-2026-60137, a SQL injection in WP_Query, which chain to unauthenticated remote code execution on default installs of WordPress 6.9.0-6.9.4 and 7.0.0-7.0.1. CISA has added both to the Known Exploited Vulnerabilities Catalog and active exploitation is confirmed. Cloudflare deployed WAF rules at 17:03 UTC on July 17, and patches are available in WordPress 6.9.5 and 7.0.2.

Web discovery (articles for new exploits & KEV entries) · 7d agoExploit / PoC in the wild 2 sourcesCVE-2026-63030CVE-2026-601371· 1 read

Trezor Says ShipMonk Breach Exposed 67,000 U.S. Customers' Data It Said Was Deleted

Trezor disclosed the ShipMonk breach exposed data of 67,000 additional US customers, reportedly by ShinyHunters exploiting a Metabase zero-day SQL injection, CVE-2026-72898.

Trezor disclosed that a breach at shipping provider ShipMonk exposed names, email addresses, phone numbers, shipping addresses, and order numbers of 67,000 additional US customers, with orders dating November 2019 to August 2021 despite written assurances the data had been deleted. This adds to the 13,689 customers previously disclosed after ShipMonk informed Trezor of unauthorized access on August 10, 2026. According to Holborn, the ShinyHunters extortion gang is behind the breach, which began with zero-day exploitation of CVE-2026-72898 (CVSS 10.0), a critical SQL injection flaw in Metaboobase analytics software Metabase. Trezor says hardware wallet security is unaffected but warns customers to watch for phishing and social engineering; ShipMonk has not publicly acknowledged the incident.

The Hacker News · 10d agoData breach in the wildCVE-2026-72898

Exploitation of Sangoma Switchvox flaw is underway (CVE-2026-9586)

Attackers actively exploit SQL injection flaw CVE-2026-9586 in unauthenticated Sangoma Switchvox endpoints, dropping reverse shells and second-stage cryptominer malware.

CVE-2026-9586, an unauthenticated SQL injection in Sangoma Switchvox SMB Edition 8.3, lets crafted HTTP POST requests execute arbitrary SQL against the backend PostgreSQL database. Horizon3 honeypots first saw exploitation on August 30, 2026 from IP 176.65.148.184, and dozens of additional source IPs have since joined with scanning payloads and second-stage malware that appears to be a cryptominer. The flaw was patched in Switchvox 8.4.0.2 on July 14, 2026; roughly 4,000 exposed instances exist, mostly in the United States, and exploitation is likely against most of them.

Help Net Security · 14d agoExploit / PoC in the wildCVE-2026-9586

GeoServer Zero-Day Is Already Being Probed. That’s the Problem

Unpatched GeoServer zero-day enabling SQL injection and possible RCE is being actively probed across exposed systems.

A zero-day in GeoServer's jsonArrayContains functionality allows unauthorized SQL injection and, in some configurations, remote code execution. Disclosed on August 12, 2026 without a CVE ID, it drew hundreds of exploitation probes from watchTowr within hours. No patch is available yet; GeoServer was previously mass-exploited via CVE-2024-36401.

Security Affairs · Aug 15, 2026Exploit / PoC in the wildCVE-2024-36401