CVE-2025-26678 HIGH

CVE-2025-26678: Windows Defender Application Control Security Feature Bypass Vulnerability

Vendor Microsoft
Product Windows 10 Version 1809
Weakness CWE-284
Published April 8, 2025
Last update February 13, 2026
View on NVD All CVEs

CVSS base score

8.4/10
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:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Improper access control in Windows Defender Application Control (WDAC) allows an unauthorized attacker to bypass a security feature locally.

Key dates

02Disclosure timeline

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