Quick answers
- Is CVE-2026-20780 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-20780 being exploited in the wild.
- How severe is CVE-2026-20780?
- Medium severity, with a CVSS score of 6.5, published 11 August 2026.
- Which products and versions are affected?
- Intel PROSet/Wireless WiFi Software <UNKNOWN>.
- Is there a fix for CVE-2026-20780?
- 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-2026-20780 attacked?
- It is attacked with local access.
- Am I affected by CVE-2026-20780?
- 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 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.
Technical details
CVE-2026-20780 is an uncontrolled resource consumption vulnerability in Intel PROSet/Wireless WiFi Software device drivers running in Ring 2 (kernel mode) on Windows. An unprivileged local attacker can trigger resource exhaustion through a low-complexity attack without authentication or user interaction, causing a denial of service condition. The vulnerability impacts system availability (high directly, low as a secondary impact) with no confidentiality or integrity impact. Intel has released software updates to mitigate this and related vulnerabilities in the driver package.
Affected products
- Intel PROSet/Wireless WiFi Software <UNKNOWN>
Timeline
- 2026-08-11: disclosed