EUVD-2026-22416

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

EUVD-2026-22398

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-2026-27922

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

CVE-2026-33100

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

CVE-2026-26177 Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

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CVE-2026-26177

Technical details about CVE-2026-26177 are not provided in the supplied documents. Monitor for updates from Microsoft and the CVE record.

CVE-2026-26168

CVE-2026-26168 describes a race condition in the Windows Ancillary Function Driver for WinSock that allows an authorized local attacker to elevate privileges. Publicly referenced Red Hat and Dutch/NCSC/CIRCL sources confirm the Windows driver component and local privilege impact; exploitation sta...

PT-2026-32784

CVE-2026-27922 Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. https://t.co/jdzGALNqoY...

PT-2026-32754

CVE-2026-26177 Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally. https://t.co/AzyibGnFso...

CVE-2026-25179

Improper validation of specified type of input in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

CVE-2026-25176

Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

CVE-2026-25178

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

PT-2026-24287

Name of the Vulnerable Software and Affected Versions Windows Ancillary Function Driver for WinSock affected versions not specified Description A flaw exists in the Windows Ancillary Function Driver for WinSock that could allow an attacker to gain higher-level access to a system. The issue is due...

PT-2026-24306

Name of the Vulnerable Software and Affected Versions Windows versions affected versions not specified Description A flaw exists in the Windows Ancillary Function Driver for WinSock due to improper input validation. This allows a local attacker to gain elevated privileges. The issue affects all...

CVE-2026-20810

Free of memory not on the heap in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

CVE-2026-20860

Access of resource using incompatible type 'type confusion' in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

CVE-2026-20860

Access of resource using incompatible type 'type confusion' in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

CVE-2026-20810

Free of memory not on the heap in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally...

CVE-2026-20810

CVE-2026-20810 affects the Windows Ancillary Function Driver for WinSock. The vulnerability allows an authorized local attacker to elevate privileges due to a memory allocation issue that is not on the heap. The CVE entry shows a local attack vector with high impact (confidentiality, integrity, a...

PT-2026-2705

Name of the Vulnerable Software and Affected Versions Windows Ancillary Function Driver for WinSock affected versions not specified Description A type confusion issue exists in the Windows Ancillary Function Driver for WinSock. This allows a locally authorized attacker to gain elevated privileges...