CVE-2026-68820

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

Affected products

Windows, Windows Ancillary Function Driver For Winsock

Microsoft Windows 10 1607

< 10.0.14393.9418

Microsoft Windows 10 1809

< 10.0.17763.9115

Microsoft Windows 10 21h2

< 10.0.19044.7663

Microsoft Windows 10 22h2

< 10.0.19045.7663

Microsoft Windows 11 23h2

< 10.0.22631.7517

Microsoft Windows 11 24h2

< 10.0.26100.9106

CVSS 3.1

7.0 HIGH

EPSS

0.4% (28th percentile)

Weakness

CWE-416

NVD status

Analyzed

Published

2026-08-11