SB2026021802 - Privilege escalation in Microsoft Windows Admin Center



SB2026021802 - Privilege escalation in Microsoft Windows Admin Center

Published: February 18, 2026

Security Bulletin ID SB2026021802
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper authentication (CVE-ID: CVE-2026-26119)

The vulnerability allows a remote user to compromise the affected system.

The vulnerability exists due to an error in the authentication process. A remote user can execute arbitrary code with elevated privileges. 


Remediation

Install update from vendor's website.