CVE-2025-53139 HIGH

CVE-2025-53139: Windows Hello Security Feature Bypass Vulnerability

Vendor Microsoft
Product Windows 10 Version 21H2
Weakness CWE-319 · Cleartext transmission
Published October 14, 2025
Last update February 26, 2026
View on NVD All CVEs

CVSS base score

7.7/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Cleartext transmission of sensitive information in Windows Hello allows an unauthorized attacker to bypass a security feature locally.

Key dates

02Disclosure timeline

October 14, 2025 CVE published
February 26, 2026 Record updated