Improper Authorization in Windows Admin Center - CVE-2026-58631

 

Improper Authorization in Windows Admin Center - CVE-2026-58631

Published: July 17, 2026


Vulnerability identifier: #VU138263
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2026-58631
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to improper authorization in Windows Admin Center (WAC). A remote user can execute arbitrary code on the target system.


Affected software

Windows Admin Center

How to mitigate CVE-2026-58631

Install updates from vendor's website.

Windows Admin Center - update to 2.7.4

External References

Related Security Bulletins