Medium 4.4Published Mar 9, 2026

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

Updated under an hour ago (Oct 27, 2026, 12:40 AM ET)

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It affects Imagination Technologies Graphics DDK and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Imagination Technologies Graphics DDK

Exploited in the last 30 days

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: 4.4 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Weakness (CWE): CWE-280
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: imaginationtech
NVD analysis: Analyzed
Record last updated: Mar 9, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Imagination Technologies Graphics DDK imagination_technologies:graphics_ddk (from the name)	1.17 RTM; 1.18 RTM; 23.2 RTM; from 24.1 RTM through 25.1 RTM; from 25.2 RTM through 25.3 RTM not affected; 26.1 RTM not affected	CNA record
imaginationtech ddk imaginationtech:ddk	25.1; 25.1	NVD

References

References

https://www.imaginationtech.com/gpu-driver-vulnerabilities/	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.