SB20241210109 - Improper Authentication in Microsoft Windows Virtualization-Based Security (VBS) Enclave



SB20241210109 - Improper Authentication in Microsoft Windows Virtualization-Based Security (VBS) Enclave

Published: December 10, 2024

Security Bulletin ID SB20241210109
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper Authentication (CVE-ID: CVE-2024-49076)

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.