CVE-2025-53139

HIGH

Microsoft Windows 10 21h2 < 10.0.19044.6456 - Cleartext Transmission

Title source: rule

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

CVSS v3 7.7

EPSS 0.0003

EPSS Percentile 8.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

CWE

CWE-319

Status published

Products (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

Published Oct 14, 2025

Tracked Since Feb 18, 2026