Quick answers
- Is CVE-2026-40274 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-40274 being exploited in the wild.
- How severe is CVE-2026-40274?
- Medium severity, with a CVSS score of 4, published 10 November 2026.
- Which products and versions are affected?
- QNX Neutrino.
- Is there a fix for CVE-2026-40274?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-40274 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-2026-40274?
- Check whether you run QNX Neutrino. 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.
Technical details
The TimerSettime() system call in QNX Neutrino kernel contains an invalid pointer dereference vulnerability. A local attacker can craft a malicious timer event to trigger the invalid pointer reference, resulting in disclosure of kernel memory contents. This requires local system access and user interaction to arm the crafted timer.
Affected products
- QNX Neutrino
Timeline
- 2026-11-10: disclosed