CVE-2026-69799 – Windows Hello Elevation of Privilege Vulnerability

CVSS 7.8 IMPORTANT Critical - Same Day Deployment

“A successful race-condition attack could turn limited local access into powerful VTL1 privileges, putting system confidentiality, integrity, and availability at risk.”

CVE-2026-69799 is a critical elevation-of-privilege vulnerability in Windows Hello caused by improper synchronization when a shared resource is accessed concurrently. An authorized local attacker with low privileges could exploit a race condition to gain Virtual Trust Level 1 (VTL1) privileges. Successful exploitation can have a high impact on confidentiality, integrity, and availability.

Key Details

Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
CWE Classification
CWE-362
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