CVE-2025-26644

MEDIUMCVSS 5.1/10EPSS 0.50%

Last modified

CVE-2025-26644 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. Automated recognition mechanism with inadequate detection or handling of adversarial input perturbations in Windows Hello allows an unauthorized attacker to perform spoofing locally.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1
5.1/10

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

EPSS Probability
0.50%

38.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftWindows 10 1809< 10.0.17763.7136
MicrosoftWindows 10 21h2< 10.0.19044.5737
MicrosoftWindows 10 22h2< 10.0.19045.5737
MicrosoftWindows 11 22h2< 10.0.22621.5189
MicrosoftWindows 11 23h2< 10.0.22631.5189
MicrosoftWindows 11 24h2< 10.0.26100.3775
MicrosoftWindows Server 2019< 10.0.17763.7136
MicrosoftWindows Server 2025< 10.0.26100.3775

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-26644?
Automated recognition mechanism with inadequate detection or handling of adversarial input perturbations in Windows Hello allows an unauthorized attacker to perform spoofing locally.
How severe is CVE-2025-26644?
CVE-2025-26644 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.
How do I fix CVE-2025-26644?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-26644?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST