# CVE-2026-42956: Intel PROSet Wireless WiFi heap overflow in kernel

Source: https://junglewise.ai/threats/cve-2026-42956-out-of-bounds-write-for-some-intel-r-wireless-bluetooth-r-within  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-10. Updated: 2026-11-10  
License: CC BY 4.0 with a link back

CVE-2026-42956 · Severity: info · Published 2026-11-10

Intel PROSet Wireless WiFi is software that manages wireless network connectivity on Windows systems. A heap buffer overflow in the kernel driver could allow an attacker on the network to crash the system or corrupt data, disrupting business operations. The attack requires only network proximity and no special user action.

Vendors: [Intel](https://junglewise.ai/threats/vendors/intel).

## 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

## References

- [https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01530.html](https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01530.html)

## Related threats

- [Intel PROSet/Wireless WiFi Software out-of-bounds write in device driver](https://junglewise.ai/threats/cve-2026-20886-intel-proset-wireless-wifi-software-out-of-bounds-write-in-device)