SB20260415129 - Privilege escalation in Microsoft Defender



SB20260415129 - Privilege escalation in Microsoft Defender

Published: April 15, 2026

Security Bulletin ID SB20260415129
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 security vulnerability.


1) Insufficient Granularity of Access Control (CVE-ID: CVE-2026-33825)

The vulnerability allows a local user to escalate privileges on the target system.

The vulnerability exists due to insufficient granularity of access control in Microsoft Defender. A local user can gain elevated privileges on the system.


Remediation

Install update from vendor's website.