Sep 2026: Windows Biometric Service Elevation of Privilege Vulnerability
CVE-2026-83968 Published on September 8, 2026

Windows Biometric Service Elevation of Privilege Vulnerability
Use after free in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

Vendor Advisory NVD

Weakness Types

What is a Dangling pointer Vulnerability?

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

CVE-2026-83968 has been classified to as a Dangling pointer vulnerability or weakness.

What is a Resource Exhaustion Vulnerability?

The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

CVE-2026-83968 has been classified to as a Resource Exhaustion vulnerability or weakness.

Products Associated with CVE-2026-83968

Want to know whenever a new CVE is published for Microsoft products? stack.watch will email you.

Microsoft Windows 10

Microsoft Windows Server 2019

Microsoft Windows Server 2022

Microsoft Windows Server 2025

Microsoft Windows 11 25h2

Microsoft Windows 11 23h2

Microsoft Windows 11 24h2

Microsoft Windows 11 26h1

Microsoft Windows Server 2016

Affected Versions

Microsoft Windows 10 Version 1607:

Version 10.0.14393.0 and below 10.0.14393.9512 is affected.

Microsoft Windows 10 Version 1809:

Version 10.0.17763.0 and below 10.0.17763.9245 is affected.

Microsoft Windows 10 Version 21H2:

Version 10.0.19044.0 and below 10.0.19044.7725 is affected.

Microsoft Windows 10 Version 22H2:

Version 10.0.19045.0 and below 10.0.19045.7725 is affected.

Microsoft Windows 11 version 23H2:

Version 10.0.22631.0 and below 10.0.22631.7582 is affected.

Microsoft Windows 11 Version 23H2:

Version 10.0.22631.0 and below 10.0.22631.7582 is affected.

Microsoft Windows 11 Version 24H2:

Version 10.0.26100.0 and below 10.0.26100.9445 is affected.

Microsoft Windows 11 Version 25H2:

Version 10.0.26200.0 and below 10.0.26200.9445 is affected.

Microsoft Windows 11 version 26H1:

Version 10.0.28000.0 and below 10.0.28000.2954 is affected.

Microsoft Windows Server 2016:

Version 10.0.14393.0 and below 10.0.14393.9512 is affected.

Microsoft Windows Server 2016 (Server Core installation):

Version 10.0.14393.0 and below 10.0.14393.9512 is affected.

Microsoft Windows Server 2019:

Version 10.0.17763.0 and below 10.0.17763.9245 is affected.

Microsoft Windows Server 2019 (Server Core installation):

Version 10.0.17763.0 and below 10.0.17763.9245 is affected.

Microsoft Windows Server 2022:

Version 10.0.20348.0 and below 10.0.20348.5622 is affected.

Microsoft Windows Server 2025:

Version 10.0.26100.0 and below 10.0.26100.33438 is affected.

Microsoft Windows Server 2025 (Server Core installation):