CVE-2026-61928

Analyzed Analyzed - Analysis Complete

Cleartext Sensitive Data Storage in Windows Hello

Publication date: 2026-08-11

Last updated on: 2026-08-16

Assigner: Microsoft Corporation

Description

Cleartext storage of sensitive information in Windows Hello allows an authorized attacker to perform tampering locally.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-08-11

Last Modified

2026-08-16

Generated

2026-09-01

AI Q&A

2026-08-12

EPSS Evaluated

2026-08-30

NVD

CVE-2026-61928

EUVD

EUVD-2026-56333

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_10_1607	to 10.0.14393.9418 (exc)
microsoft	windows_10_1607	to 10.0.14393.9418 (exc)
microsoft	windows_10_1809	to 10.0.17763.9115 (exc)
microsoft	windows_10_1809	to 10.0.17763.9115 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7663 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7663 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7663 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7663 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7663 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7663 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7517 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7517 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9106 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9106 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2704 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2704 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9106 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9106 (exc)
microsoft	windows_server_2016	to 10.0.14393.9418 (exc)
microsoft	windows_server_2019	to 10.0.17763.9115 (exc)
microsoft	windows_server_2022	to 10.0.20348.5440 (exc)
microsoft	windows_server_2025	to 10.0.26100.33222 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-312	The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere.

Attack-Flow Graph

Executive Summary

Cleartext storage of sensitive information in Windows Hello allows an authorized attacker to perform tampering locally. This means sensitive data is stored without encryption, enabling attackers with local access to modify it.

Detection Guidance

This vulnerability involves cleartext storage of sensitive information in Windows Hello. Detection requires checking for unencrypted storage of biometric or authentication data on local systems. Review Windows Hello configuration settings and inspect system files for plaintext credentials or biometric templates. No specific commands are provided in the available resources.

Impact Analysis

An attacker with local access to your system could tamper with stored sensitive information in Windows Hello, potentially leading to unauthorized changes or misuse of your biometric or credential data.

Compliance Impact

This vulnerability may violate compliance requirements that mandate encryption of sensitive data, such as GDPR's data protection principles or HIPAA's security rules for protected health information.

Mitigation Strategies

Apply the latest security updates from Microsoft to address the cleartext storage issue in Windows Hello. Monitor Microsoft's official update guide for patches and follow their recommended mitigation steps.

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