Cyber Resilience

CVE-2026-20962

Medium

Published: 13 January 2026

Published
13 January 2026
Modified
14 January 2026
KEV Added
—
Patch
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CVSS Score v3.1 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0012 30.3th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-20962 is a medium-severity Use of Uninitialized Resource (CWE-908) vulnerability in Microsoft Windows 10 21H2. Its CVSS base score is 4.4 (Medium).

Operationally, ranked at the 30.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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

CWE(s)
CWE-908

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microsoft
windows 10 1809
≤ 10.0.17763.8276 · ≤ 10.0.17763.8276
microsoft
windows 10 21h2
≤ 10.0.19044.6809 · ≤ 10.0.19044.6809 · ≤ 10.0.19044.6809
microsoft
windows 10 22h2
≤ 10.0.19045.6809 · ≤ 10.0.19045.6809 · ≤ 10.0.19045.6809
microsoft
windows 11 23h2
≤ 10.0.22631.6491 · ≤ 10.0.22631.6491
microsoft
windows 11 24h2
≤ 10.0.26100.7623 · ≤ 10.0.26100.7623
microsoft
windows 11 25h2
≤ 10.0.26200.7623 · ≤ 10.0.26200.7623
microsoft
windows server 2019
≤ 10.0.17763.8276
microsoft
windows server 2022
≤ 10.0.20348.4648
microsoft
windows server 2022 23h2
≤ 10.0.25398.2092
microsoft
windows server 2025
≤ 10.0.26100.32230

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References