CVE-2026-27928 HIGH

CVE-2026-27928: Windows Hello Security Feature Bypass Vulnerability

Vendor Microsoft
Product Windows Server 2016
Weakness CWE-20 · Input validation
Published April 14, 2026
Last update June 1, 2026
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C

What the vulnerability does

01Description

Improper input validation in Windows Hello allows an unauthorized attacker to bypass a security feature over a network.

Key dates

02Disclosure timeline

April 14, 2026 CVE published
June 1, 2026 Record updated