SB2025040954 - Insufficient verification of data authenticity in Microsoft Windows Virtualization-Based Security (VBS)
Published: April 9, 2025
Security Bulletin ID
SB2025040954
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Insufficient verification of data authenticity (CVE-ID: CVE-2025-27735)
CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to compromise the target system.
The vulnerability exists due to insufficient verification of data authenticity in Windows Virtualization-Based Security (VBS). A local administrator can bypass the Virtualization-based Security feature.
Remediation
Install update from vendor's website.