SB20260113134 - Privilege escalation in Microsoft Windows Admin Center



SB20260113134 - Privilege escalation in Microsoft Windows Admin Center

Published: January 13, 2026

Security Bulletin ID SB20260113134
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2026-20965)

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to the lack of proper verification of a cryptographic signature in Windows Admin Center. A local administrator can gain elevated privileges on the system.


Remediation

Install update from vendor's website.