Main Vulnerability Database Vulnerabilities #VU123003

Improper authentication in Windows Admin Center - CVE-2026-26119

Published: February 18, 2026

Vulnerability identifier: #VU123003

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2026-26119

CWE-ID: CWE-287

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vendor: Microsoft

Affected software:
Windows Admin Center

Detailed vulnerability description

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.

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