Cleartext storage of sensitive information in Microsoft Windows and Windows Server - CVE-2026-61928

 

Cleartext storage of sensitive information in Microsoft Windows and Windows Server - CVE-2026-61928

Published: August 12, 2026


Vulnerability identifier: #VU141750
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-61928
CWE-ID: CWE-312
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform tampering.

The vulnerability exists due to cleartext storage of sensitive information in Windows Hello when storing sensitive information locally. A local user can access improperly protected data to perform tampering.

This could allow unauthorized modifications to protected system data and alter system state or configuration beyond normal privileges.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2026-61928

Install security update from vendor's website.

Microsoft Windows - addressed in versions 10 21H2 10.0.19044.7663, 10 22H2 10.0.19045.7663, 10 1607 10.0.14393.9418, 10 1809 10.0.17763.9115, 11 23H2 10.0.22631.7517, 11 24H2 10.0.26100.9106, 11 24H2 10.0.26100.9168, 11 25H2 10.0.26200.9168, 11 26H1 10.0.28000.2704
Windows Server - addressed in versions 2016 10.0.14393.9418, 2019 10.0.17763.9115, 2022 10.0.20348.5440, 2022 10.0.20348.5499, 2025 10.0.26100.33222, 2025 10.0.26100.33296

External References

Related Security Bulletins