Improper Authentication in Windows and Windows Server - CVE-2025-26635

 

Improper Authentication in Windows and Windows Server - CVE-2025-26635

Published: April 9, 2025


Vulnerability identifier: #VU107244
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-26635
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a remote user to bypass authentication process.

The vulnerability exists due to an error when processing authentication requests in Windows Hello. A remote administrator can bypass the Windows Hello security feature.


How to mitigate CVE-2025-26635

Install update from vendor's website.

Sources