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MICROSOFT-CVE-2026-20804 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceMICROSOFT-CVE-2026-20804

MICROSOFT-CVE-2026-20804

HIGH7.7

Windows Hello Tampering Vulnerability

Published Jan 13, 2026

Modified Yesterday

Details

Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20804

CVSS Analysis

CVSS v2.0

7.7

Upstream

Ecosystems

Timeline

PublishedJan 13, 2026

ModifiedApr 30, 2026