GPU DDK - Write UAF in KEGLGetPoolBuffers, WebGL reachable
Priority LOW 37CWE-416Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
A web page that contains unusual WebGPU content loaded into the GPU GLES render process and can trigger write UAF crash in the GPU GLES user-space shared library. On certain platforms, when the process executing graphics workload has system privileges this could enable subsequent exploit on the system.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00389 33rd percentileScored 2026-11-07
Fix Fixed Graphics DDK (Imagination Technologies): 26.1 RTM
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Imagination Technologies | Graphics DDK | 1.18 RTM; 23.2 RTM; 24.1 RTM – 24.2 RTM; 25.1 RTM – 25.3 RTM | 26.1 RTM | Patch available | CNA |
- Graphics DDK VendorImagination Technologies Affected 1.18 RTM; 23.2 RTM; 24.1 RTM – 24.2 RTM; 25.1 RTM – 25.3 RTM Fixed in 26.1 RTM Patch available CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:imaginationtech:ddk:*:*:*:*:*:*:*:* | up to 25.2 | Vulnerable | Imagination Technologies |
| cpe:2.3:a:imaginationtech:ddk:25.3:rtm:*:*:*:*:*:* | 25.3 rtm | Vulnerable | Imagination Technologies |
- cpe:2.3:a:imaginationtech:ddk:*:*:*:*:*:*:*:* Versions up to 25.2 Vulnerable ·Imagination Technologies
- cpe:2.3:a:imaginationtech:ddk:25.3:rtm:*:*:*:*:*:* Versions 25.3 rtm Vulnerable ·Imagination Technologies
Remediation
- Fix · CNA Graphics DDK (Imagination Technologies) Fixed in 26.1 RTM
Timeline
- 2026-10-02 Threatist record created from CVE-2026-22166
- 2026-10-03 Alias added: GHSA-7xjg-gxff-2m4m
References
More Imagination Technologies Ddk vulnerabilities
- TI-2023-04574 GPU kernel implementations susceptible to memory leak CVSS 3.1MEDIUM 6.5
- TI-2026-13612 GPU DDK - Integer overflow in _PMRLogicalOffsetToPhysicalOffset CVSS 3.1CRITICAL 9.8
- TI-2025-12749 GPU DDK - libusc UAF via WebGPU shaders at MergeConsecutiveBarriersBP CVSS 3.1CRITICAL 9.8
- TI-2025-18845 GPU DDK - GPU Register value contents leaked from secure workloads to non-secure world CVSS 3.1CRITICAL 9.1
- TI-2026-17504 GPU DDK - libusc OOB write at ConvertSwitchToArrayLookupBP during WebGPU shader compilation CVSS 3.1CRITICAL 9.6
- TI-2026-17506 GPU DDK - libusc OOB write at TreeRemove during WebGPU shader compilation CVSS 3.1HIGH 7.7
Sources
- CVE-2026-22166 · CVE Program
- CVE-2026-22166 · NVD
- FIRST EPSS
- GHSA-7xjg-gxff-2m4m · GitHub Advisory Database · CC BY 4.0
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