SB2025120959 - Multiple vulnerabilities in Microsoft Brokering File System
Published: December 9, 2025
Security Bulletin ID
SB2025120959
Severity
Low
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Race condition (CVE-ID: CVE-2025-62469)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition in Microsoft Brokering File System. A local user can exploit the race and escalate privileges on the system.
2) Use-after-free (CVE-ID: CVE-2025-62569)
The vulnerability allows a local user to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Microsoft Brokering File System. A local user can win a race condition and gain elevated privileges on the target system.
Remediation
Install update from vendor's website.