CVE-2026-20741: Intel PROSet/Wireless WiFi Software improper access control denial of service

CVE-2026-20741 · Severity: high · CVSS 7.4 · Published 2026-08-11

Intel PROSet/Wireless WiFi Software is a device driver that manages wireless network connectivity on systems. An unprivileged local attacker can trigger a denial of service condition that crashes or hangs the system without authentication or user interaction, degrading availability of affected devices.

Technologies: Intel Killer Wi-Fi 6 Ax1650i\/S, Intel Killer Wi-Fi 6e Ax1675i\/S, Intel Killer Wi-Fi 6e Ax1675x\/W, Intel Killer Wi-Fi 7 Be1750i\/S, Intel Killer Wi-Fi 7 Be1750x\/W, Intel Killer Wi-Fi 7 Be1775i\/S, Intel PROSet/Wireless WiFi Software, Intel Proset\, Intel Wi-Fi 6 Ax200, Intel Wi-Fi 6 Ax201, Intel Wi-Fi 6 Ax210, Intel Wi-Fi 6e Ax211, Intel Wi-Fi 7 Be200, Intel Wi-Fi 7 Be201, Intel Wi-Fi 7 Be211, Intel Wi-Fi 7 Be213, Intel Wireless Wifi, Intel Wireless-Ac 9461, Intel Wireless-Ac 9462, Intel Wireless-Ac 9560. Vendors: Intel.

Quick answers

Is CVE-2026-20741 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-20741 being exploited in the wild.
How severe is CVE-2026-20741?
High severity, with a CVSS score of 7.4, published 11 August 2026.
Which products and versions are affected?
Intel PROSet/Wireless WiFi Software.
Is there a fix for CVE-2026-20741?
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-2026-20741 attacked?
It is attacked with local access, in device firmware.
Am I affected by CVE-2026-20741?
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 access control flaw in Ring 2 device drivers within Intel PROSet/Wireless WiFi Software. An unprivileged local software adversary can exploit this via local access with no authentication, low attack complexity, and no user interaction required. The attack results in denial of service by impacting system availability (high impact). The vulnerability is tracked as CVE-2026-20741 with a CVSS v4.0 score of 8.3 and vector AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:L/SA:H. Intel has released software updates to mitigate this issue.

Affected products

  • Intel PROSet/Wireless WiFi Software

Timeline

  • 2026-08-11: disclosed
  • 2026-08-11: advisory: Intel INTEL-SA-01422

References

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