Home/CVE/Cleartext transmission of sensitive information in Windows Hello allows an unauthorized attacker to bypass a security fe
CVE

CVE-2025-53139

Cleartext transmission of sensitive information in Windows Hello allows an unauthorized attacker to bypass a security fe

Cleartext transmission of sensitive information in Windows Hello allows an unauthorized attacker to bypass a security feature locally.

HIGH · CVSS 7.7 EPSS 0.00032
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Weakness Classification

CWE-319Cleartext Transmission of Sensitive Information
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Affected Products & Versions

7
microsoft windows 10 21h2< 10.0.19044.6456
microsoft windows 10 22h2< 10.0.19045.6456
microsoft windows 11 22h2< 10.0.22621.6060
microsoft windows 11 23h2<= 10.0.22631.6060
microsoft windows 11 24h2< 10.0.26100.6899
microsoft windows 11 25h2< 10.0.26200.6899
microsoft windows server 2025<= 10.0.26100.6899
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Scoring & Timeline

7.7
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Oct 2025 · 05:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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Vendor Advisories

1
msrcCVE-2025-53139Security Feature Bypass
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