MediumVulnerability

CVE-2025-26644: Windows Hello spoofing via adversarial input perturbations

Source: NVD(opens in a new tab)
Identifier: CVE-2025-26644
Published: April 8, 2025
Record updated: October 9, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.6%

Summary

CVE-2025-26644 is a vulnerability in Windows Hello, classified as CWE-1039 (Automated Recognition Mechanism with Inadequate Detection or Handling of Adversarial Input Perturbations). The flaw lets an unauthorized attacker perform spoofing locally. NVD has not yet provided an assessment, and the record was published on 04/08/2025 and last modified on 07/10/2025.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Details

Scores and exploitation

CVSS score: 5.1(medium)
EPSS: 0.6%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 4, 2026.

Weaknesses and techniques

Weakness (CWE): CWE-1039
Attack pattern (CAPEC): CAPEC-242

Affected

Vendors: Microsoft

Classification

Attack type: Model evasion
Attack sophistication: Moderate
AI component targeted: Model
Impact: Integrity
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-26644

First tracked: February 15, 2026 at 08:52 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 70% (self-assessed)

Summary

Mitigation

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