SB2025031159 - Privilege escalation in Microsoft Windows Win32



SB2025031159 - Privilege escalation in Microsoft Windows Win32

Published: March 11, 2025

Security Bulletin ID SB2025031159
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2025-24983)

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

The vulnerability exists due to a use-after-free error within the Windows Win32 Kernel Subsystem. A local user can win a race and execute arbitrary code SYSTEM privileges.

Note, the vulnerability is being exploited in the wild.


Remediation

Install update from vendor's website.