Improper Authentication in Windows Admin Center - CVE-2026-56185
Published: July 17, 2026
Vulnerability identifier: #VU138304
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-56185
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows Admin Center
Windows Admin Center
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error when processing authentication requests in Windows Admin Center. A remote user can bypass authentication process and gain unauthorized access to sensitive information.
How to mitigate CVE-2026-56185
Install updates from vendor's website.