SB2025040923 - Improper access control in Microsoft Windows Defender Application Control



SB2025040923 - Improper access control in Microsoft Windows Defender Application Control

Published: April 9, 2025

Security Bulletin ID SB2025040923
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper access control (CVE-ID: CVE-2025-26678)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: 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


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.


Remediation

Install update from vendor's website.