SB2026011368 - Information disclosure in Microsoft Dynamic Root of Trust for Measurement (DRTM)
Published: January 13, 2026
Security Bulletin ID
SB2026011368
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use of uninitialized resource (CVE-ID: CVE-2026-20962)
CWE-ID: CWE-908 - Use of Uninitialized Resource
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to bypass certain security restrictions.
The vulnerability exists due to usage of uninitialized resources in Dynamic Root of Trust for Measurement (DRTM). A local administrator can pass specially crafted data to the application, trigger uninitialized usage of resources and gain access to sensitive information on the system.
Remediation
Install update from vendor's website.