Cleartext transmission of sensitive information in Microsoft Windows and Windows Server - CVE-2025-53139
Published: October 15, 2025
Vulnerability identifier: #VU117278
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-53139
CWE-ID: CWE-319
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local attacker to gain access to sensitive information.
The vulnerability exists due to software uses insecure communication channel to transmit sensitive information in Windows Hello. A local attacker can gain access to sensitive data and bypass the Windows Hello Facial and Fingerprint Recognition security feature.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2025-53139
Install updates from vendor's website.
Microsoft Windows - addressed in versions 10 21H2 10.0.19044.6456, 10 22H2 10.0.19045.6456, 10 1607 10.0.14393.8519, 11 22H2 10.0.22621.6060, 11 23H2 10.0.22631.6060, 11 24H2 10.0.26100.6899
Windows Server - addressed in versions 2012 R2 6.3.9600.22824, 2025 10.0.26100.6899
Windows Server - addressed in versions 2012 R2 6.3.9600.22824, 2025 10.0.26100.6899