Improper Authentication in Windows Admin Center - CVE-2026-56169

 

Improper Authentication in Windows Admin Center - CVE-2026-56169

Published: July 17, 2026


Vulnerability identifier: #VU138302
CSH Severity: Medium
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-56169
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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 elevated privileges on the target system.


Affected software

Windows Admin Center

How to mitigate CVE-2026-56169

Install updates from vendor's website.

Windows Admin Center - update to 2.7.4

External References

Related Security Bulletins