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CVE-2026-40369
HIGH
CVSS: 7.8
Published: 2026-05-12
Modified: 2026-06-26
Description
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Affected Platforms
Microsoft Windows 11 24H2Microsoft Windows 11 25H2Microsoft Windows Server 2025Microsoft Windows 11 26H1