Improper Authentication in Windows Admin Center - CVE-2026-57107
Published: July 17, 2026
Vulnerability identifier: #VU138303
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-57107
CWE-ID: CWE-287
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows Admin Center
Windows Admin Center
Detailed vulnerability description
The vulnerability allows a local user to bypass authentication process.
The vulnerability exists due to an error when processing authentication requests in Windows Admin Center. A local user can bypass authentication process and gain elevated privileges on the target system.
How to mitigate CVE-2026-57107
Install updates from vendor's website.