Vulnerability · Published Jan 13, 2026 · Assigned by microsoft

CVE-2026-20962Dynamic Root of Trust for Measurement (DRTM) Information Disclosure Vulnerability

Medium 4.4

In plain English

A medium-severity security flaw in Windows 10 Version 1809 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).

Severity (CVSS 3.1)4.4Medium
Exploit odds (30 days)0.4%top 61.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Use of uninitialized resource in Dynamic Root of Trust for Measurement (DRTM) allows an authorized attacker to disclose information locally.

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.8276
Microsoft Windows 10 Version 21H2 10.0.19044.0 – before 10.0.19044.6809
Microsoft Windows 10 Version 22H2 10.0.19045.0 – before 10.0.19045.6809
Microsoft Windows 11 version 23H2 10.0.22631.0 – before 10.0.22631.6491
Microsoft Windows 11 Version 23H2 10.0.22631.0 – before 10.0.22631.6491
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.7623
Microsoft Windows 11 Version 25H2 10.0.26200.0 – before 10.0.26200.7623
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.8276
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.8276
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.4648
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – before 10.0.25398.2092
Microsoft Windows Server 2025 10.0.26100.0 – before 10.0.26100.32230
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – before 10.0.26100.32230

Weakness: CWE-908 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

References