CVE-2026-22163
GPU DDK - Unsafe writing of MMU PT entries on systems with 32-bit host CPU
7.8CVSSHIGH
Description
Requires malware code to misuse the DDK kernel module IOCTL interface. Such code can use the interface in an unsupported way that allows subversion of the GPU to perform writes to arbitrary physical memory pages. The product utilises a shared resource in a concurrent manner but does not attempt to synchronise access to the resource.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:HAttack ComplexityHigh
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:CScopeChanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
Exploitability
Official Patch Available
References
Timeline
Published
Mar 20, 2026
Last Updated
Apr 21, 2026
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