SB2025070946 - Privilege escalation in Microsoft Kernel Streaming WOW Thunk Service Driver
Published: July 9, 2025
Security Bulletin ID
SB2025070946
Severity
Low
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-2025-49675)
The vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Kernel Streaming WOW Thunk Service Driver. A local user can gain elevated privileges on the target system.
Remediation
Install update from vendor's website.