CVE-2026-83907

MediumCVSS 5.5/10Last modified Oct 29, 2026

Description

Exposure of sensitive system information to an unauthorized control sphere in Windows Hello allows an authorized attacker to disclose information locally.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-497

Affected software

Vendor	Product	Versions
Microsoft	Windows 10 Version 21H2	>= 10.0.19044.0, < 10.0.19044.7807
Microsoft	Windows 10 Version 22H2	>= 10.0.19045.0, < 10.0.19045.7807
Microsoft	Windows 11 version 23H2	>= 10.0.22631.0, < 10.0.22631.7652
Microsoft	Windows 11 Version 23H2	>= 10.0.22631.0, < 10.0.22631.7652
Microsoft	Windows 11 Version 24H2	>= 10.0.26100.0, < 10.0.26100.9711
Microsoft	Windows 11 Version 25H2	>= 10.0.26200.0, < 10.0.26200.9711
Microsoft	Windows 11 version 26H1	>= 10.0.28000.0, < 10.0.28000.3231
Microsoft	Windows 11 Version 26H2	>= 10.0.26300.0, < 10.0.26300.9711

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83907Vendor Advisory

Timeline

Published: Oct 13, 2026
Last modified: Oct 29, 2026
NVD status: Analyzed

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