Jul 2026: Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
CVE-2026-57093 Published on July 14, 2026
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Weakness Type
What is a Dangling pointer Vulnerability?
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
CVE-2026-57093 has been classified to as a Dangling pointer vulnerability or weakness.
Products Associated with CVE-2026-57093
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Affected Versions
Microsoft Windows 10 Version 1607:- Version 10.0.14393.0 and below 10.0.14393.9339 is affected.
- Version 10.0.17763.0 and below 10.0.17763.9020 is affected.
- Version 10.0.19044.0 and below 10.0.19044.7548 is affected.
- Version 10.0.19045.0 and below 10.0.19045.7548 is affected.
- Version 10.0.26100.0 and below 10.0.26100.8875 is affected.
- Version 10.0.26200.0 and below 10.0.26100.8875 is affected.
- Version 10.0.28000.0 and below 10.0.28000.2525 is affected.
- Version 6.2.9200.0 and below 6.2.9200.26226 is affected.
- Version 6.2.9200.0 and below 6.2.9200.26226 is affected.
- Version 6.3.9600.0 and below 6.3.9600.23291 is affected.
- Version 6.3.9600.0 and below 6.3.9600.23291 is affected.
- Version 10.0.14393.0 and below 10.0.14393.9339 is affected.
- Version 10.0.14393.0 and below 10.0.14393.9339 is affected.
- Version 10.0.17763.0 and below 10.0.17763.9020 is affected.
- Version 10.0.17763.0 and below 10.0.17763.9020 is affected.
- Version 10.0.20348.0 and below 10.0.20348.5386 is affected.
- Version 10.0.26100.0 and below 10.0.26100.33158 is affected.
- Version 10.0.26100.0 and below 10.0.26100.33158 is affected.