High 7.8Published Jul 10, 2026

CVE-2026-45203GPU DDK - rgxfw_hwperf_ufo() re-reads psCmdHeader->ui32CmdSize after initial check, TOCTOU

Updated under an hour ago (Oct 26, 2026, 6:50 PM 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.

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Every CVE for Imagination Technologies Graphics DDK

Exploited in the last 30 days

Kernel software installed and running inside a Host VM may post improper commands to the GPU Firmware to trigger a memory write outside the permitted range of memory for the host kernel. A TOCTOU bug existed where a malicious driver could modify values in memory after firmware validation but before use.

CVSS: 7.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-367
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: Jul 13, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Imagination Technologies Graphics DDK imagination_technologies:graphics_ddk (from the name)	1.18 RTM2; 23.2 RTM2; 24.2 RTM2; from 25.1 RTM2 through 25.3 RTM; 26.1 RTM1; 26.1 RTM2 not affected	CNA record
imaginationtech ddk imaginationtech:ddk	before 26.1; 26.1	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.