#VU121228 Use of uninitialized resource in Windows and Windows Server - CVE-2026-20962
Published: January 13, 2026
Vulnerability identifier: #VU121228
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2026-20962
CWE-ID: CWE-908
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Windows
Windows Server
Windows
Windows Server
Software vendor:
Microsoft
Microsoft
Description
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 updates from vendor's website.