CVE-2026-83985: 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 Microsoft Windows 10, Windows 11, Windows Server 2016, Windows Server 2019, Windows Server 2022, or Windows Server 2025 products are in scope based on the available data. Exploitation is local rather than network-based.
What access does an attacker need to exploit it?
An attacker must already be authorized on the affected system and have local access. No user interaction is required according to the supplied severity vector.
What is the likely impact of successful exploitation?
Successful exploitation can elevate the attacker’s privileges locally. The supplied vector indicates high impact to confidentiality, integrity, and availability.