CVE tracker / CVE-2025-26644

CVE-2025-26644

CVE-2025-26644 is the Windows Hello Spoofing Vulnerability. Microsoft rates it Important, CVSS 5.1. It is not in CISA's Known Exploited Vulnerabilities catalog. Published April 8, 2025.

Risk summary

MediumSpoofing
5.1
CVSS v3 base
0.6%
EPSS: chance of exploitation in 30 days
Medium
Severity
Important
Microsoft's rating
Less Likely
Microsoft: exploitation
No
In CISA KEV

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

How to fix it

Microsoft lists 18 affected products and the update that fixes each:

What Microsoft changed

Details

Weakness
CWE-1039: Automated Recognition Mechanism with Inadequate Detection or Handling of Adversarial Input Perturbations
Publicly disclosed (Microsoft)
No
Exploited (Microsoft)
No
Known exploited (CISA KEV)
Not listed
Published
April 8, 2025
Last revised
April 8, 2025

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References

Microsoft Security Update Guide NVD CVE record CWE

From Microsoft, CISA, NVD and FIRST data; the Microsoft details were read when this page was opened. Check the references above before you act.