CVE-2025-27737 HIGH

CVE-2025-27737: Windows Security Zone Mapping Security Feature Bypass Vulnerability

Vendor Microsoft
Product Windows 10 Version 1507
Weakness CWE-20 · Input validation
Published April 8, 2025
Last update February 13, 2026
View on NVD All CVEs

CVSS base score

8.6/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Improper input validation in Windows Security Zone Mapping allows an unauthorized attacker to bypass a security feature locally.

Key dates

02Disclosure timeline

April 8, 2025 CVE published
February 13, 2026 Record updated