CVE-2026-83973: 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 is exposed to this vulnerability?
Systems running the listed Windows 10, Windows 11, Windows Server 2016, Windows Server 2019, Windows Server 2022, or Windows Server 2025 products are potentially exposed because the affected component is the Windows Biometric Service.
What access does an attacker need to exploit it?
An attacker must already be authorized on the target system and exploit the issue locally. The provided data does not indicate that remote network access or user interaction is required.
What is the potential impact of successful exploitation?
Successful exploitation allows local elevation of privilege. The supplied severity vector indicates high impacts to confidentiality, integrity, and availability.