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MicrosoftCVE-2026-61928

Microsoft Windows Hello: cleartext secrets

Medium5.5CVE-2026-61928 · Published Aug 11, 2026 · updated Aug 16, 2026

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

Microsoft advisory

Affected versions

PackageAffectedFixed in
Windows 10 Version 1607
Product
>= 10.0.14393.0, < 10.0.14393.941810.0.14393.9418
Windows 10 Version 1809
Product
>= 10.0.17763.0, < 10.0.17763.912110.0.17763.9121
Windows 10 Version 21H2
Product
>= 10.0.19044.0, < 10.0.19044.766310.0.19044.7663
Windows 10 Version 22H2
Product
>= 10.0.19045.0, < 10.0.19045.766310.0.19045.7663
Windows 11 Version 23H2
Product
>= 10.0.22631.0, < 10.0.22631.751710.0.22631.7517
Windows 11 Version 24H2
Product
>= 10.0.26100.0, < 10.0.26100.916810.0.26100.9168
Windows 11 Version 25H2
Product
>= 10.0.26200.0, < 10.0.26200.916810.0.26200.9168
Windows 11 version 23H2
Product
>= 10.0.22631.0, < 10.0.22631.751710.0.22631.7517
Windows 11 version 26H1
Product
>= 10.0.28000.0, < 10.0.28000.270410.0.28000.2704
Windows Server 2016
Product
>= 10.0.14393.0, < 10.0.14393.941810.0.14393.9418
Windows Server 2016 (Server Core installation)
Product
>= 10.0.14393.0, < 10.0.14393.941810.0.14393.9418
Windows Server 2019
Product
>= 10.0.17763.0, < 10.0.17763.912110.0.17763.9121
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-312

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