CVE-2025-53139
Windows Hello Security Feature Bypass Vulnerability
Cleartext transmission of sensitive information in Windows Hello allows an unauthorized attacker to bypass a security feature locally.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Windows Hello Security Feature Bypass Vulnerability
Cleartext transmission of sensitive information in Windows Hello allows an unauthorized attacker to bypass a security feature locally.
- Record
CVE-2025-53139- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C - Weakness
- CWE-319
- Updated
- 2026-11-02
EUVDEUVD-2025-34349
Cleartext transmission of sensitive information in Windows Hello allows an unauthorized attacker to bypass a security feature locally.
- Record
EUVD-2025-34349- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6mcj-8vj2-8vvq
Cleartext transmission of sensitive information in Windows Hello allows an unauthorized attacker...
Cleartext transmission of sensitive information in Windows Hello allows an unauthorized attacker to bypass a security feature locally.
- Record
GHSA-6mcj-8vj2-8vvq- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-319
- Updated
- 2026-11-02
NVD
Cleartext transmission of sensitive information in Windows Hello allows an unauthorized attacker to bypass a security feature locally.
- Record
CVE-2025-53139- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-319
- Updated
- 2026-11-02
Affected products
- microsoft windows 10 version 21h2
- microsoft windows 10 version 22h2
- microsoft windows 11 version 22h2
- microsoft windows 11 version 22h3
- microsoft windows 11 version 23h2
- microsoft windows 11 version 24h2
- microsoft windows 11 version 25h2
- microsoft windows server 2025
- microsoft windows server 2025 (server core installation)
- microsoft windows 10 21h2
- microsoft windows 10 22h2
- microsoft windows 11 22h2
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History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-53139 is a high vulnerability (CVSS 7.7) in Microsoft Windows 10 Version 21h2, published October 14, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 21st percentile. No source names a fixed version.