SB20251015126 - Cleartext transmission of sensitive information in Microsoft Windows Hello
Published: October 15, 2025
Security Bulletin ID
SB20251015126
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Cleartext transmission of sensitive information (CVE-ID: CVE-2025-53139)
CWE-ID: CWE-319 - Cleartext Transmission of Sensitive Information
CVSSv4: 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/E:U/U:Clear
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.
Remediation
Install update from vendor's website.