Not yet scoredPublished Oct 29, 2026

CVE-2026-15466GPU DDK - Write UAF due to a race condition caused by insufficient locking in PVRSRVRGXCloseHWPerfClientStreamKM()

Updated under an hour ago (Oct 30, 2026, 1:10 AM ET)

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

No exploitation reported and no EPSS estimate yet.

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Software installed and run as a non-privileged user may conduct improper GPU system calls to cause race condition in hardware performance counters buffer’s destruction path leading to read and/or write UAF. The race condition in the destruction path could lead to reference counter being decremented in non-atomical way allowing other code paths using a freed object to read and/or write kernel heap memory.

CVSS: Not yet scored
Weakness (CWE): CWE-416
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: Received
Record last updated: Oct 29, 2026
First seen by InfoSec Signals: Oct 29, 2026

Affected products

Affected products

Imagination Technologies Graphics DDK imagination_technologies:graphics_ddk (from the name)	1.18 RTM2 not affected; 23.2 RTM2 not affected; 24.2 RTM2; from 25.1 RTM2 through 25.3 RTM; 26.1 RTM2; 26.2 RTM not affected	CNA record

References

References

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

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.