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...

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-2026-61348: Use After Free

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

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-2026-68820: 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

Microsoft Windows Ancillary Function Driver for WinSock contains a use-after-free vulnerability that 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...

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-2026-50462

External control of file name or path 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

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

Windows Ancillary Function Driver for WinSock Information Disclosure Vulnerability

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

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-2026-34346: 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-2026-50462: 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...

PT-2026-58116

Name of the Vulnerable Software and Affected Versions Windows Ancillary Function Driver for WinSock affected versions not specified Description Cleartext transmission of sensitive information in the Windows Ancillary Function Driver for WinSock allows an authorized attacker to disclose informatio...