Description

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

Related CPE's

o

microsoft

windows_10_1607

Vulnerable

o

microsoft

windows_10_1809

Vulnerable

o

microsoft

windows_10_21h2

Vulnerable

o

microsoft

windows_10_22h2

Vulnerable

o

microsoft

windows_11_23h2

Vulnerable

o

microsoft

windows_11_24h2

Vulnerable

o

microsoft

windows_11_25h2

Vulnerable

o

microsoft

windows_server_2016

Vulnerable

o

microsoft

windows_server_2019

Vulnerable

o

microsoft

windows_server_2022

Vulnerable

o

microsoft

windows_server_2022_23h2

Vulnerable

o

microsoft

windows_server_2025

Vulnerable

References

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

Vendor Advisory

Weaknesses

[email protected]

Primary
CWE-266

CVSS impact metrics

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

7.7 · High

Information

Source identifier

[email protected]

Vulnerability status

Analyzed

Published

2026-01-13T18:16:06.843Z

33 hours ago

Last modified

2026-01-14T20:03:08.257Z

7 hours ago