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CVE record · CVE-2026-18629

GPU DDK - libusc.so NPD due to integer overflow at ConvertSwitchToArrayLookup during WebGPU shader compilation

CVSS 7.5 HighEPSS 0.0014 · 3rd percentile

Published by the CVE Program (CNA: imaginationtech) at 30 Oct 2026, 02:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Imagination Technologies Graphics DDK
  • unaffected 1.18 RTM2 custom
  • affected 23.2 RTM2 custom
  • affected 24.2 RTM2 custom
  • affected 25.1 RTM2 to 25.3 RTM, inclusive custom
  • affected 26.1 RTM1 custom
  • unaffected 26.1 RTM2 custom
Other versions: unknown
Identifiers
CVE-2026-18629
CNA
imaginationtech
Weakness (CWE)
CWE-190
Tags
Published
30 Oct 2026
Updated
5 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.5 High 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H ADP (CISA-ADP)
  • CISA KEV Not listed.
  • EPSS 0.0014, the 3rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 30 Oct 2026, 02:00 UTC Confirmed by the CVE List
  2. 30 Oct 2026, 02:17 UTC Confirmed by NVD

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.