#VU126020 Input validation error in Windows - CVE-2026-27906

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Main Vulnerability Database Vulnerabilities #VU126020

#VU126020 Input validation error in Windows - CVE-2026-27906

Published: April 14, 2026


Vulnerability identifier: #VU126020
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-27906
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Windows
Software vendor:
Microsoft

Description

The vulnerability allows a local user to gain access to sensitive information on the system.

The vulnerability exists due to insufficient validation of user-supplied input in Windows Hello. A local administrator can bypass protection mechanisms and gain access to sensitive information on the target system.


Remediation

Install updates from vendor's website.

External links