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CVE-2026-40403

Windows Win32K

Description

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

CVSS 8.8EPSS 0.42700000000000005%Risk 0.91
View source
Published
2026-05-12 18:17:18
Affected versions
unknown
Type
Core software
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Operating systems
Windows