How to Fix CVE-2026-22166: Graphics DDK (Bundle Sibling)
By Sai Kiran Pandrala
Last verified: 2026-05-25
CVE-2026-22166 is a sibling vulnerability in the same vendor advisory as CVE-2026-22165. Applying the patched build named in the primary write-up closes this CVE as well.
| Severity | CVSS 8.1 - High |
|---|---|
| Actively exploited? | Not currently in CISA KEV |
| Affected | Same as the bundle - see CVE-2026-22165 |
| Fixed in | Same patched build as CVE-2026-22165 (26.1 RTM) |
| Type (CWE) | CWE-416: CWE-416: Use After Free |
What's different about CVE-2026-22166?
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.
The technical impact and remediation are identical to the primary CVE in the bundle. The same vendor patch closes both.
How to fix CVE-2026-22166
Apply the patched build per the primary write-up: How to Fix CVE-2026-22165.
The patch installation procedure, verification commands, and interim mitigations are documented there. Reusing one runbook keeps the rollout consistent across the bundle.
Frequently asked questions
Is CVE-2026-22166 fixed by the same patch as CVE-2026-22165?
Yes. CVE-2026-22166 ships in the same vendor advisory as CVE-2026-22165. Applying the patched build named in the primary write-up closes both.
What is the CVSS score for CVE-2026-22166?
The CVSS base score is 8.1 (High).
Is it being exploited?
It is not currently listed in CISA KEV.
References
- Official vendor advisory: https://www.imaginationtech.com/gpu-driver-vulnerabilities/
- NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2026-22166
- CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- Primary write-up: How to Fix CVE-2026-22165
*Part of the Graphics DDK bundle. Full procedure at CVE-2026-22165.*