CVE-2026-83967: Windows Biometric Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
Other sources
Windows Biometric Service Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Event History
Frequently Asked Questions
Who can exploit this vulnerability?
An attacker must already be authorized to access the affected Windows system locally. The provided information does not indicate that remote or unauthenticated attackers can exploit it.
What level of impact could successful exploitation have?
Successful exploitation can elevate the attacker's privileges and has high impacts on confidentiality, integrity, and availability. This could allow a locally authorized attacker to gain more control over the affected system.
Which systems are listed as affected?
The affected software list includes Microsoft Windows 10, Windows 11, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025.