CVE-2026-21736 GPU DDK - Insufficient permission check in PhysmemWrapExtMem() when write attribute support enabled

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...

CVE-2026-21736

CVE-2026-21736 concerns the GPU DDK: it reports an insufficient permission check in PhysmemWrapExtMem() when write attribute support is enabled. The underlying issue is improper handling of memory protections for the user-mode wrapped memory resource, allowing a non-privileged user to conduct imp...