CVE-2026-20776: Intel PROSet/Wireless WiFi Software improper conditions check denial of service

CVE-2026-20776 · Severity: high · CVSS 8.6 · Published 2026-08-11

Intel PROSet/Wireless WiFi Software is a driver and management suite for wireless network adapters on Windows systems. An improper conditions check in the Ring 2 device driver allows a network-adjacent attacker to crash or freeze the system without authentication, disrupting business operations and availability.

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-2026-20776 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-20776 being exploited in the wild.
How severe is CVE-2026-20776?
High severity, with a CVSS score of 8.6, published 11 August 2026.
Which products and versions are affected?
Intel PROSet/Wireless WiFi Software <UNKNOWN>.
Is there a fix for CVE-2026-20776?
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-2026-20776 attacked?
It is attacked from the adjacent network.
Am I affected by CVE-2026-20776?
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-2026-20776 is an improper conditions check vulnerability in Intel PROSet/Wireless WiFi Software Ring 2 device drivers that enables denial of service. The vulnerability resides in the wireless driver kernel component and can be exploited by a network-adjacent attacker without requiring authentication or user interaction. An attacker can trigger the vulnerability through crafted wireless frames or network packets to crash the device driver or cause system unresponsiveness, impacting system availability. Intel has released firmware/driver updates to address this issue; affected systems should apply the latest patches from Intel's advisory INTEL-SA-01422.

Affected products

  • Intel PROSet/Wireless WiFi Software <UNKNOWN>

Timeline

  • 2026-08-11: disclosed

References

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