Security Advisory

CVE-2026-40403

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-12 16:59:26
Last updated 2026-06-19 16:12:57
Assigner microsoft
CVSS score 8.8
State PUBLISHED

Description

Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to execute code locally.

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