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CategoryAllExploit / PoC 46Vulnerability 27Advisory 17Data breach 10Research 8Threat actor 7AI safety & security 6Industry 5Tools 4AI tools & infra 3Phishing & fraud 2AI research 2Ransomware 1Policy & legal 1
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Microsoft September 2026 Patch Tuesday Fixes 973 Vulnerabilities and 2 Exploited Zero-Days

Microsoft's September 2026 Patch Tuesday fixes 973 vulnerabilities, including two zero-days already exploited in the wild.

Microsoft's September 2026 Patch Tuesday addresses 973 vulnerabilities across Windows, Office, and Azure components, including two zero-days already exploited in the wild. CVE-2026-81963, an elevation of privilege flaw in the Windows Update Stack, is flagged as an exploited zero-day. The release includes numerous remote code execution and information disclosure fixes for Microsoft Excel and Word, plus patches for the Windows kernel, ALPC, Print Spooler, ReFS, Entra ID, and Azure CLI.

GBHackers · 7d agoAdvisory in the wildCVE-2026-85880CVE-2026-85877CVE-2026-85875+27 CVEs

USN-8765-1: python-sql vulnerability

Ubuntu patches python-sql SQL injection flaw where values passed to unary operators are incorrectly escaped.

Ubuntu Security Notice USN-8765-1 fixes a vulnerability in python-sql discovered by Cedric Krier. The library incorrectly escaped values passed to unary operators, allowing an attacker to potentially perform SQL injection attacks against applications using the library.

Ubuntu Security Notices · 22h agoAdvisory

The September 2026 Security Update Review

ZDI's September 2026 Microsoft update review lists two already-exploited Windows EoP zero-days and dozens of critical RCEs across Office, SQL Server, and Windows services.

The review catalogs Microsoft's September 2026 fixes, marking CVE-2026-85880 (Windows ALPC) and CVE-2026-81963 (Windows Update Stack) as already exploited elevation-of-privilege issues. It also lists critical RCE flaws in Office, Word, Excel, PowerPoint, Outlook, SQL Server, Windows DNS, DHCP and Failover Cluster, plus graphics component RCEs. Azure-side fixes include Entra ID, Copilot Studio, Azure AI Language and Azure AD B2C elevation-of-privilege flaws.

Zero Day Initiative Blog · 7d agoAdvisory in the wildCVE-2026-85880CVE-2026-81963CVE-2026-70352+27 CVEs1

Cisco Unified Intelligence Center SQL Injection Vulnerability

Cisco patched a blind SQL injection in Unified Intelligence Center's web interface allowing authenticated local attackers to read the internal database.

Cisco disclosed a blind SQL injection vulnerability in the web-based management interface of Unified Intelligence Center, caused by insufficient validation of user-supplied input. An authenticated local attacker can send crafted requests and read the contents of the device's internal database. Exploitation requires valid user credentials, and Cisco has released software updates.

Cisco Security Advisories · 27d agoAdvisory

NextGen Healthcare Mirth Connect

CISA warns NextGen Healthcare Mirth Connect <=4.7.1 has SQL injection and XXE flaws enabling credential theft, file writes, and DoS.

CISA released advisory ICSMA-26-253-01 covering three vulnerabilities in NextGen Healthcare Mirth Connect versions 4.7.1 and earlier: SQL injection CVE-2026-82583 (CVSS 8.3), XXE CVE-2026-78224 (CVSS 8.2), and XXE CVE-2026-82578 (CVSS 7.5). Exploitation could expose stored credentials for connected systems, enable arbitrary file writes, and cause denial-of-service conditions. No public exploitation has been reported; the product is deployed worldwide in the Healthcare and Public Health sector.

CISA Advisoriesupdated · 5d agofirst · 6d agoAdvisory 2 sourcesCVE-2026-82583CVE-2026-78224CVE-2026-82578

Microsoft: Windows Server 2025 changes causing app crashes

Microsoft warns Windows Server 2025 memory-management changes crash AWE apps, including SQL Server with Lock Pages in Memory; disable LPIM as workaround.

Microsoft confirmed a known issue where Windows Server 2025 memory-management changes cause access violations, memory corruption, or unexpected termination in applications using Address Windowing Extensions (AWE). SQL Server running with the Lock Pages in Memory (LPIM) policy is affected, with symptoms including 0xC0000005 access violations, DBCC CHECKDB failures, crash dumps, and services stopping or restarting unexpectedly. Microsoft's temporary workaround is to disable the LPIM policy for the SQL Server service account or disable AWE in other affected apps, with a permanent fix promised in a future Windows update.

BleepingComputer · 8d agoAdvisory1

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

USN-8768-1: Shibboleth vulnerability

Ubuntu patches Shibboleth SQL injection in the ODBC storage plugin allowing remote attackers to extract sensitive information.

Ubuntu security notice USN-8768-1 fixes a Shibboleth vulnerability discovered by Florian Stuhlmann. The software incorrectly escaped input when using the ODBC storage plugin, allowing a remote attacker to perform SQL injection attacks and obtain sensitive information. Users are advised to update the Shibboleth package.

Ubuntu Security Notices · 21h agoAdvisory

Cisco security advisory (AV26-921)

Canadian Cyber Centre warns actively exploited Cisco Secure Email Gateway SQL injection CVE-2026-76461 was added to CISA's KEV database.

The Canadian Centre for Cyber Security advisory AV26-921 (September 14, 2026) covers a SQL injection vulnerability in Cisco Secure Email Gateway (AsyncOS) and Secure Email and Web Manager. Affected versions include AsyncOS/Secure Email Gateway prior to 15.5.5-014, 16.0.4-302, and 16.5.0-780, and Secure Email and Web Manager prior to 15.5.5-006 and 16.5.0-429. Cisco stated CVE-2026-76461 is being actively exploited, and CISA added it to the Known Exploited Vulnerabilities database the same day. Users and administrators are urged to apply updates as they become available.

Canadian Centre for Cyber Securityupdated · 16h agofirst · 1d agoAdvisory in the wild 15 sourcesCVE-2026-76461

WebPros security advisory (AV26-908)

Canada's Cyber Centre relays WebPros advisories for SQL injection (CVE-2026-67401) in cPanel and two ConfigServer Firewall flaws.

The Canadian Centre for Cyber Security published advisory AV26-908 covering vulnerabilities in WebPros products, including cPanel & WHM and ConfigServer Security & Firewall (CSF). Affected cPanel builds include versions prior to 11.110.0.143, 11.134.0.55, 11.136.0.39, 11.138.0.4 and WP2 11.138.1.9, while CSF versions 14.00-16.29 (CVE-2026-65638) and 2.15-16.29 (CVE-2026-65639) are also affected. CVE-2026-67401 describes SQL injection in cPanel's EmailTrack functionality. Users and administrators are encouraged to review the advisories and apply available updates.

Canadian Centre for Cyber Securityupdated · 5d agofirst · 5d agoAdvisory 3 sourcesCVE-2026-65638CVE-2026-65639CVE-2026-67401

USN-8743-1: PHP vulnerabilities

Ubuntu fixes three PHP flaws, including SQL injection in the PostgreSQL extension (CVE-2026-17543) and an out-of-bounds write in bccomp().

Ubuntu Security Notice USN-8743-1 patches three vulnerabilities in PHP. CVE-2026-17543 involves incorrect backslash escaping in the PostgreSQL extension enabling SQL injection. CVE-2026-17544 is an out-of-bounds write in bccomp() that could cause denial of service or arbitrary code execution on Ubuntu 26.04 LTS, and CVE-2026-7260 causes unbounded recursion via circular symlinks in phar archives.

Ubuntu Security Noticesupdated · 5d agofirst · 6d agoAdvisory 13 sourcesCVE-2026-17543CVE-2026-17544CVE-2026-72601

Microsoft Patch Tuesday for September 2026 — Snort rules and prominent vulnerabilities

Microsoft's September 2026 Patch Tuesday fixes 973 vulnerabilities, including 113 critical, with two Windows privilege-escalation bugs (CVE-2026-81963, CVE-2026-85880) exploited in the wild.

Microsoft's September 2026 security update addresses 973 vulnerabilities across its product lineup, 113 rated critical, of which 82 are remote code execution flaws. Two vulnerabilities are confirmed exploited in the wild: CVE-2026-81963, an elevation-of-privilege flaw in the Windows Update Stack (CVSS 7.8), and CVE-2026-85880, a heap-based buffer overflow in Windows Advanced Local Procedure Call (CVSS 7.8). Microsoft flags several bugs as more likely to be exploited, including a 9.8 RCE in Windows DNS Server (CVE-2026-69730), an 8.8 RCE in Windows Kerberos (CVE-2026-69676), and a 9.0 EoP in Spring Cloud Azure (CVE-2026-69854). Cisco Talos published accompanying Snort rules to detect exploitation attempts against the prominent flaws.

Cisco Talos · 7d agoAdvisory in the wildCVE-2026-81963CVE-2026-85880CVE-2026-69676+27 CVEs

August updates trigger 0xc0000409 errors on Windows Server 2016

Microsoft says the August 2026 security update causes recurring CompatTelRunner.exe 0xc0000409 crashes on Windows Server 2016 with Compatibility Appraiser enabled; no functional impact.

Microsoft confirmed a known issue in which the August 2026 Windows security update generates recurring Application Error events (Event ID 1000, exception code 0xc0000409) in CompatTelRunner.exe on Windows Server 2016. The issue affects physical and virtual machines, including VMware and Azure environments, and per Microsoft does not affect device functionality. A permanent fix is planned for a future update, and the event log entries can be dismissed temporarily.

BleepingComputer · 7d agoAdvisory

Microsoft security advisory – August 2026 monthly rollup (AV26-804) – Update 2

Canada's Cyber Centre updated advisory AV26-804 relaying Microsoft's August 2026 monthly rollup of vulnerabilities across .NET and Azure products.

The Canadian Centre for Cyber Security advisory AV26-804, updated August 27, 2026, relays Microsoft's August 2026 monthly security rollup originally issued August 11. Affected products include .NET 8.0, 9.0, and 10.0 on Linux, macOS, and Windows, plus many Azure services. Listed Azure components include Azure Kubernetes Service, Azure SQL Database, Azure Service Bus, Azure Active Directory, Azure Logic Apps, and Azure Monitor Agent.

Canadian Centre for Cyber Security · 19d agoAdvisory1

Cisco Secure Email Gateway and Secure Email and Web Manager Security Hardening Release: September 2026

Cisco's September 2026 hardening release for Secure Email Gateway and Secure Email and Web Manager patches internally found flaws, one actively exploited.

Cisco issued a security hardening release for Cisco Secure Email Gateway and Secure Email and Web Manager covering multiple internally discovered vulnerabilities, grouped by CWE class to streamline patching. Cisco states one of the vulnerabilities is known to be actively exploited. The exploited issue is the Cisco Secure Email Gateway SQL Injection Vulnerability detailed in a companion advisory. Software updates are available.

Cisco Security Advisories · 1d agoAdvisory in the wild6

Microsoft September 2026 Patch Tuesday fixes 966 flaws, 2 zero-days

Microsoft's September 2026 Patch Tuesday fixes a record 966 flaws, including two Windows zero-days actively exploited to gain SYSTEM privileges.

Microsoft's September 2026 Patch Tuesday addresses a record 966 vulnerabilities, including 105 rated Critical, 81 of them remote code execution bugs. Two zero-days were actively exploited: a Windows Update Stack link-following flaw and a Windows ALPC heap-based buffer overflow, both allowing local elevation to SYSTEM privileges. The ALPC flaw was reported by Volexity and Proofpoint researchers, while the Update Stack flaw was credited to Romain Deperne and the Microsoft Threat Intelligence Centre. Microsoft shared no details on how the flaws were exploited in attacks.

BleepingComputer · 7d agoAdvisory in the wildCVE-2026-69805CVE-2026-58649CVE-2026-69806+27 CVEs1

Cisco Advance Notification for Publication of August 19, 2026, Security Advisories

Cisco PSIRT's advance notice previews August 19, 2026 advisories including Critical CVSS 10.0 hardening releases for Crosswork and Secure Workload.

Cisco PSIRT issued an advance notification for security advisories published August 19, 2026. The batch includes Critical-rated (CVSS 10.0) hardening releases for Cisco Crosswork and Cisco Secure Workload, a High-severity blind XML External Entity injection in BroadWorks (CVE-2026-20320, CVSS 7.5), a Medium SQL injection in Unified Intelligence Center (CVE-2026-20327, CVSS 6.5), and a RoomOS stack overflow. Full details and fixes follow in the individual advisories.

Cisco Security Advisories · 27d agoAdvisoryCVE-2026-20030CVE-2026-20357CVE-2026-20358+8 CVEs