PublicCVE

CVE-2026-56176

HIGH7.8Memory safety

Description

Out-of-bounds read in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.

CVSS breakdown

CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
E
Unchanged
RL
O
RC
Changed

Affected products

Updated 26m ago · 8 sources