Improper access control in Windows and Windows Server - CVE-2025-26678
Published: April 9, 2025
Vulnerability identifier: #VU107263
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-26678
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in Windows Defender Application Control. A local attacker can bypass Windows Defender Application Control (WDAC) enforcement.
How to mitigate CVE-2025-26678
Install update from vendor's website.