CVE-2026-21736 — MEDIUM (4.4)

Vulnerability 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 Score

4.4

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Imaginationtech	Ddk	25.1

Related Weaknesses (CWE)

CWE-280

References

https://www.imaginationtech.com/gpu-driver-vulnerabilities/Vendor Advisory

FAQ

What is CVE-2026-21736?

CVE-2026-21736 is a vulnerability with a CVSS score of 4.4 (MEDIUM). 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 me...

How severe is CVE-2026-21736?

CVE-2026-21736 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21736?

Check the references section above for vendor advisories and patch information. Affected products include: Imaginationtech Ddk.