CVE-2026-68820
HIGH CISA KEV 4 PoCs
ACT NOW
Priority: 0.02
BB Relevance:
39/100
Published: 2026-08-11
Modified: 2026-10-28
First seen: 2026-10-29
Status: active
Attack Surface
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Local
AC:
High
PR:
Low
UI:
None
S:
Unchanged
C:
High
I:
High
A:
High
Description
Microsoft Windows Ancillary Function Driver for WinSock contains a use-after-free vulnerability that allows an authorized attacker to elevate privileges locally.
CISA Known Exploited Vulnerability
Vendor / Product
Microsoft — Windows Ancillary Function Driver for WinSock
Date Added
2026-08-11
Remediation Due
2026-08-25
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2026-68820 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-68820
Weakness Classification (1)
Affected Software (56)
Showing 30 of 56 entries
References & Advisories (2)
vendor-advisory
patch
US Government Resource