SB2023050994 - Privilege escalation in Microsoft Windows Win32k driver
Published: May 9, 2023 Updated: May 23, 2024
Security Bulletin ID
SB2023050994
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2023-29336)
The vulnerability allows a local user to escalate privileges on the system.
The
vulnerability exists due to a boundary error within the Win32k driver. A
local user can trigger a use-after-free error and execute arbitrary code
with SYSTEM privileges.
Remediation
Install update from vendor's website.