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CVE Number Vulnerability Product Severity Date
CVE-2026-69784 Windows Hello Elevation of Privilege Vulnerability Windows 10, Windows 11 Critical 15-10-2026

Technical Information

An authenticated attacker can exploit a use-after-free vulnerability in Windows Hello by winning a race condition to elevate local privileges and gain Virtual Trust Level 1 (VTL1) privileges on an affected system.

Patch release date: Sep 08, 2026
Further information on this vulnerability is available at : CVE-2026-69784

Affected Software

Windows 10 Version 21H2 for 32-bit Systems,
Windows 10 Version 21H2 for ARM64-based Systems,
Windows 10 Version 21H2 for x64-based Systems,
Windows 10 Version 22H2 for x64-based Systems,
Windows 10 Version 22H2 for ARM64-based Systems,
Windows 10 Version 22H2 for 32-bit Systems,
Windows 11 Version 25H2 for ARM64-based Systems,
Windows 11 Version 25H2 for x64-based Systems,
Windows 11 Version 23H2 for ARM64-based Systems,
Windows 11 Version 23H2 for x64-based Systems,
Windows 11 Version 24H2 for ARM64-based Systems,
Windows 11 Version 24H2 for x64-based Systems,
Windows 11 version 26H1 for x64-based Systems,
Windows 11 Version 26H1 for ARM64-based Systems