SB2025011481 - Privilege escalation in Microsoft Windows Cloud Files Mini Filter Driver
Published: January 14, 2025 Updated: March 10, 2025
Security Bulletin ID
SB2025011481
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) Out-of-bounds read (CVE-ID: CVE-2025-21271)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary condition in Windows Cloud Files Mini Filter Driver. A local user can trigger an out-of-bounds read error and gain elevated privileges on the target system.
Remediation
Install update from vendor's website.