CVE-2026-81963

Windows Update Stack Elevation of Privilege Vulnerability

CVSS 7.8 high · Microsoft Windows 11 version 23H2 · published 2026-09-08

Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally.

NVD · CVE.org

Coverage 1 source

1. 2026-09-08 CISA Cybersecurity Advisories high CISA Adds Four Known Exploited Vulnerabilities to Catalog

   CISA added four new vulnerabilities to its Known Exploited Vulnerabilities Catalog, indicating active exploitation.

Mentioned with

CVE-2026-75650 CVE-2026-85880 CVE-2026-86218

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