SB2023050995 - Secure boot bypass in Microsoft Windows
Published: May 9, 2023
Security Bulletin ID
SB2023050995
CSH Severity
High
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) Security features bypass (CVE-ID: CVE-2023-24932)
CWE-ID: CWE-254 - Security Features
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
The vulnerability allows a local user to bypass implemented security restrictions.
The vulnerability exists due to improper implementation of the Secure Boot feature. An attacker with physical access to the system or a local user with Administrative rights can bypass Secure Boot.
Remediation
Install update from vendor's website.