Quick answers
- Is CVE-2026-42956 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-42956 being exploited in the wild.
- How severe is CVE-2026-42956?
- Informational severity, published 10 November 2026.
- Which products and versions are affected?
- Intel PROSet Wireless WiFi Software for Windows.
- Is there a fix for CVE-2026-42956?
- 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-2026-42956 attacked?
- It is attacked from the adjacent network, in a software library.
- Am I affected by CVE-2026-42956?
- Check whether you run Intel PROSet/Wireless WiFi Software for Windows. 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
Heap-based buffer overflow in the Ring 0 kernel component of Intel PROSet Wireless WiFi. An adjacent network adversary can trigger the overflow without authentication or user interaction, enabling denial of service or data integrity compromise. The attack vector is adjacent network access with low complexity.
Affected products
- Intel PROSet Wireless WiFi Software for Windows
Timeline
- 2026-11-10: disclosed