CVE-2026-21736
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Improper Memory Protection Allows Write Access via GPU Calls

Publication date: 2026-03-09

Last updated on: 2026-03-10

Assigner: imaginationtech

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.
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Meta Information
Published
2026-03-09
Last Modified
2026-03-10
Generated
2026-06-16
AI Q&A
2026-03-09
EPSS Evaluated
2026-06-15
NVD
CVE-2026-21736
EUVD
EUVD-2026-10330
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
imaginationtech ddk 25.1
imaginationtech ddk 25.1
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-280 The product does not handle or incorrectly handles when it has insufficient privileges to access resources or functionality as specified by their permissions. This may cause it to follow unexpected code paths that may leave the product in an invalid state.
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Executive Summary

This vulnerability occurs when software running as a non-privileged user improperly handles GPU system calls, allowing it to gain write permissions to memory that should be read-only. Specifically, it involves incorrect management of memory protections for user-mode wrapped memory resources.

Impact Analysis

The vulnerability can allow non-privileged software to write to memory areas that are intended to be read-only, potentially leading to unauthorized modification of data or code in user-mode memory. This could result in unexpected behavior, data corruption, or escalation of privileges within the affected system.

Compliance Impact

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