CVE-2026-68820
HIGHCVSS 3.1 · 7.0 · secure@microsoft.com
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CISA KEV: known exploited
Added: 2026-08-11 · Due: 2026-08-25
Known ransomware use: Unknown
EPSS: 0.33% · Percentile: 26.2%
As of 2026-10-27
EPSS estimates exploitation probability over the next 30 days. KEV due dates apply to US federal civilian agencies. Confirm your affected versions in vendor advisories.
CWE: CWE-416 · Published: 2026-08-11T17:19:06.357 · Modified: 2026-10-26T13:10:00.140
Sources: NIST NVD, CISA KEV, FIRST EPSS. NVD and EPSS cached up to 6 hours; KEV up to 12 hours.