CVE-2026-21736
GPU DDK - Insufficient permission check in PhysmemWrapExtMem() when write attribute support enabled
4.4CVSSMEDIUM
Description
Software installed and run as a non-privileged user may conduct improper GPU system calls to gain write permission to read-only wrapped user-mode memory. This is caused by improper handling of the memory protections for the user-mode wrapped memory resource.
CVSS Vector Breakdown
Exploitability
AV:LAttack VectorLocal
AC:LAttack ComplexityLow
PR:LPrivileges RequiredLow
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:LConfidentialityLow
I:LIntegrityLow
A:NAvailabilityNone
Weaknesses
Affected Products
Exploitability
Official Patch Available
References
Timeline
Published
Mar 9, 2026
Last Updated
Mar 10, 2026
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