SB2025011480 - Privilege escalation in Microsoft Windows Virtualization-Based Security (VBS) Enclave
Published: January 14, 2025 Updated: March 10, 2025
Security Bulletin ID
SB2025011480
CSH 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 vulnerability.
1) Input validation error (CVE-ID: CVE-2025-21370)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input in Windows Virtualization-Based Security (VBS) Enclave. A local user can execute arbitrary code on the target system with elevated privileges.
Remediation
Install update from vendor's website.