SB20241210109 - Improper Authentication in Microsoft Windows Virtualization-Based Security (VBS) Enclave
Published: December 10, 2024
Security Bulletin ID
SB20241210109
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) Improper Authentication (CVE-ID: CVE-2024-49076)
CWE-ID: CWE-287 - Improper Authentication
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 local user to bypass authentication process.
The vulnerability exists due to an error when processing authentication requests in Windows Virtualization-Based Security (VBS) Enclave. A local user can load a non-Microsoft DLL into an enclave, leading to arbitrary code execution.
Remediation
Install update from vendor's website.