Mar 2026: Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
CVE-2026-24293 Published on March 10, 2026
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Weakness Type
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. NULL pointer dereference issues can occur through a number of flaws, including race conditions, and simple programming omissions.
Products Associated with CVE-2026-24293
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Affected Versions
Microsoft Windows 10 Version 21H2:- Version 10.0.19044.0 and below 10.0.19044.7058 is affected.
- Version 10.0.19045.0 and below 10.0.19045.7058 is affected.
- Version 10.0.22631.0 and below 10.0.22631.6783 is affected.
- Version 10.0.22631.0 and below 10.0.22631.6783 is affected.
- Version 10.0.26100.0 and below 10.0.26100.8037 is affected.
- Version 10.0.26200.0 and below 10.0.26200.8037 is affected.
- Version 10.0.28000.0 and below 10.0.28000.1719 is affected.
- Version 10.0.28000.0 and below 10.0.28000.1719 is affected.
- Version 10.0.20348.0 and below 10.0.20348.4893 is affected.
- Version 10.0.25398.0 and below 10.0.25398.2207 is affected.
- Version 10.0.26100.0 and below 10.0.26100.32522 is affected.
- Version 10.0.26100.0 and below 10.0.26100.32522 is affected.