Overview
What is CVE-2026-77489?
Null pointer dereference in Windows Biometric Service allows an authorized attacker to elevate privileges locally.
Vulnerability intelligence
CVE-2026-77489 and is rated High severity with a CVSS score of 7.8. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
Null pointer dereference in Windows Biometric Service allows an authorized attacker to elevate privileges locally.