Quick answers
- Is CVE-2026-40426 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-40426 being exploited in the wild.
- How severe is CVE-2026-40426?
- Informational severity, published 10 November 2026.
- Which products and versions are affected?
- Intel NPU Driver for Linux before 1.33.0.
- Is there a fix for CVE-2026-40426?
- Yes: fixed in NPU Driver for Linux 1.33.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-40426 attacked?
- It is attacked with local access.
- Am I affected by CVE-2026-40426?
- Check whether you run Intel NPU Driver for Linux at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: NPU Driver for Linux 1.33.0
Technical details
An integer underflow (wrap or wraparound) exists in Intel NPU Driver versions before 1.33.0 within Ring 3 user-space applications. The vulnerability requires local access, an authenticated user, and specific attack conditions; it allows denial of service via unprivileged execution. The flaw impacts system availability (high impact) with minor potential impacts on confidentiality and integrity (low impact), but secondary impacts are mitigated.
Affected products
- Intel NPU Driver for Linux before 1.33.0
Timeline
- 2026-11-10: disclosed