Quick answers
- Is CVE-2026-20747 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-20747 being exploited in the wild.
- How severe is CVE-2026-20747?
- Medium severity, with a CVSS score of 6.5, published 11 August 2026.
- Which products and versions are affected?
- Intel PROSet/Wireless WiFi Software.
- Is there a fix for CVE-2026-20747?
- 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-2026-20747 attacked?
- It is attacked from the adjacent network.
- Am I affected by CVE-2026-20747?
- Check whether you run Intel Killer Wi-Fi 6 Ax1650i\/S, Intel Killer Wi-Fi 6e Ax1675i\/S, Intel Killer Wi-Fi 6e Ax1675x\/W or one of the others listed. 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
This vulnerability is an improper conditions check (CWE-202/CWE-703 class) in Intel PROSet/Wireless WiFi Software Ring 2 device drivers. The flaw resides in the driver's input validation logic and can be triggered by a network-adjacent attacker sending specially crafted network packets without requiring authentication or user interaction. The attack is low complexity and results in a denial of service by causing the driver to crash or become unresponsive. The CVE-2026-20747 instance specifically affects confidentiality (none), integrity (none), with high availability impact. Patches are available from Intel via INTEL-SA-01422.
Affected products
- Intel PROSet/Wireless WiFi Software
Timeline
- 2026-08-11: disclosed: Published on NVD and Intel security advisory INTEL-SA-01422