CVE-2025-26644

Windows Hello Spoofing Vulnerability

State: Published
Severity: 5.1 Medium
Published: Apr 8, 2025
Updated: Aug 10, 2026
Reserved: Feb 12, 2025

Description

Automated recognition mechanism with inadequate detection or handling of adversarial input perturbations in Windows Hello allows an unauthorized attacker to perform spoofing locally.

Scores

CVSS	Score	Vector	Source
3.1	5.1 Medium	CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-1039 Automated Recognition Mechanism with Inadequate Detection or Handling of Adversarial Input Perturbations

Affected Products

Product	Versions
Windows 10 Version 1809Microsoft	10.0.17763.0 to before 10.0.17763.7136Affected
Windows 10 Version 21H2Microsoft	10.0.19044.0 to before 10.0.19044.5737Affected
Windows 10 Version 22H2Microsoft	10.0.19045.0 to before 10.0.19045.5737Affected
Windows 11 version 22H2Microsoft	10.0.22621.0 to before 10.0.22621.5189Affected
Windows 11 version 22H3Microsoft	10.0.22631.0 to before 10.0.22631.5189Affected
Windows 11 Version 23H2Microsoft	10.0.22631.0 to before 10.0.22631.5189Affected
Windows 11 Version 24H2Microsoft	10.0.26100.0 to before 10.0.26100.3775Affected
Windows Server 2019Microsoft	10.0.17763.0 to before 10.0.17763.7136Affected
Windows Server 2019 (Server Core installation)Microsoft	10.0.17763.0 to before 10.0.17763.7136Affected
Windows Server 2025Microsoft	10.0.26100.0 to before 10.0.26100.3775Affected
Windows Server 2025 (Server Core installation)Microsoft	10.0.26100.0 to before 10.0.26100.3775Affected

References

Windows Hello Spoofing Vulnerabilityvendor-advisorypatch

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