September "In the Trend of VM" (#31): vulnerabilities in TeamCity, TrueConf, SharePoint, Windows, and Zimbra Collaboration

September "In the Trend of VM" 31: vulnerabilities in TeamCity, TrueConf, SharePoint, Windows, and Zimbra Collaboration. Here is the traditional monthly roundup of trending vulnerabilities according to Positive Technologies. The previous August edition featured four vulnerabilities. This time,...

CVE-2026-50349: Concurrent Execution using Shared Resource with Improper Synchronization

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

CVE-2026-70342: Use After Free

Use after free in Windows Ancillary Function Driver for WinSock allows an unauthorized attacker to elevate privileges over a network...

The Bug Report – August 2026 Edition

The Bug Report – August 2026 Edition By Jonathan Omakun · September 3, 2026 Why am I here? Sharpen your pencils and pull out those fresh notebooks; we're back with the bug report! Half the world is squeezing the last drops of joy out of their summer vacations, and the other half is on the...

EUVD-2026-56564

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

EUVD-2026-56468

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

CVE-2026-61348 Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

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CVE-2026-70307: Use After Free

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

CVE-2026-61348: Use After Free

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

PT-2026-70746

Name of the Vulnerable Software and Affected Versions Windows Ancillary Function Driver for WinSock affected versions not specified Description A use-after-free condition in the Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. Use-after-fr...

CVE-2026-68820: Use After Free

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

VulnCheck KEV: CVE-2026-68820

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

PT-2026-70737

Name of the Vulnerable Software and Affected Versions Microsoft Windows affected versions prior to August 2026 Description A use-after-free condition exists in the Windows Ancillary Function Driver for WinSock afd.sys. This issue occurs due to unreliable pointer dereferencing within the Windows...

CVE-2026-57093: Use After Free

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

CVE-2026-50462: External Control of File Name or Path

External control of file name or path in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

CVE-2026-50312: Use After Free

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

CVE-2026-34346: Cleartext Transmission of Sensitive Information

Cleartext transmission of sensitive information in Windows Ancillary Function Driver for WinSock allows an authorized attacker to disclose information locally...

CVE-2026-42911 Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

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EUVD-2026-35564

Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Concurrent execution using shared resource with improper synchronization 'race condition' in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...