# CVE-2026-20747: Intel PROSet/Wireless WiFi Software improper conditions check denial of service

Source: https://junglewise.ai/threats/cve-2026-20747-intel-proset-wireless-wifi-software-improper-conditions-check  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-11. Updated: 2026-09-25  
License: CC BY 4.0 with a link back

CVE-2026-20747 · Severity: medium · CVSS 6.5 · Published 2026-08-11

Intel PROSet/Wireless WiFi Software is a device driver package used to manage WiFi connectivity on Windows systems. A flaw in the driver's condition validation logic allows a nearby network attacker to remotely crash the system or cause service interruption without authentication, impacting system availability and potentially disrupting business operations that depend on stable wireless connectivity.

Technologies: [Intel Killer Wi-Fi 6 Ax1650i\/S](https://junglewise.ai/threats/technologies/killer-wi-fi-6-ax1650i-s), [Intel Killer Wi-Fi 6e Ax1675i\/S](https://junglewise.ai/threats/technologies/killer-wi-fi-6e-ax1675i-s), [Intel Killer Wi-Fi 6e Ax1675x\/W](https://junglewise.ai/threats/technologies/killer-wi-fi-6e-ax1675x-w), [Intel Killer Wi-Fi 7 Be1750i\/S](https://junglewise.ai/threats/technologies/killer-wi-fi-7-be1750i-s), [Intel Killer Wi-Fi 7 Be1750x\/W](https://junglewise.ai/threats/technologies/killer-wi-fi-7-be1750x-w), [Intel Killer Wi-Fi 7 Be1775i\/S](https://junglewise.ai/threats/technologies/killer-wi-fi-7-be1775i-s), [Intel PROSet/Wireless WiFi Software](https://junglewise.ai/threats/technologies/proset-wireless-wifi-software), [Intel Proset\](https://junglewise.ai/threats/technologies/proset), [Intel Wi-Fi 6 Ax200](https://junglewise.ai/threats/technologies/wi-fi-6-ax200), [Intel Wi-Fi 6 Ax201](https://junglewise.ai/threats/technologies/wi-fi-6-ax201), [Intel Wi-Fi 6 Ax210](https://junglewise.ai/threats/technologies/wi-fi-6-ax210), [Intel Wi-Fi 6e Ax211](https://junglewise.ai/threats/technologies/wi-fi-6e-ax211), [Intel Wi-Fi 7 Be200](https://junglewise.ai/threats/technologies/wi-fi-7-be200), [Intel Wi-Fi 7 Be201](https://junglewise.ai/threats/technologies/wi-fi-7-be201), [Intel Wi-Fi 7 Be211](https://junglewise.ai/threats/technologies/wi-fi-7-be211), [Intel Wi-Fi 7 Be213](https://junglewise.ai/threats/technologies/wi-fi-7-be213), [Intel Wireless Wifi](https://junglewise.ai/threats/technologies/wireless-wifi), [Intel Wireless-Ac 9461](https://junglewise.ai/threats/technologies/wireless-ac-9461), [Intel Wireless-Ac 9462](https://junglewise.ai/threats/technologies/wireless-ac-9462), [Intel Wireless-Ac 9560](https://junglewise.ai/threats/technologies/wireless-ac-9560). Vendors: [Intel](https://junglewise.ai/threats/vendors/intel).

## 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

## References

- [https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01422.html](https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01422.html)

## Related threats

- [Intel PROSet/Wireless WiFi Software stack buffer overflow denial of service](https://junglewise.ai/threats/cve-2026-24911-intel-proset-wireless-wifi-software-stack-buffer-overflow-denial)
- [Intel PROSet/Wireless WiFi Software use-after-free in kernel](https://junglewise.ai/threats/cve-2026-24099-intel-proset-wireless-wifi-software-use-after-free-in-kernel)
- [Intel PROSet/Wireless WiFi Software improper buffer restrictions denial of service](https://junglewise.ai/threats/cve-2026-22887-intel-proset-wireless-wifi-software-improper-buffer-restrictions)
- [Intel PROSet/Wireless WiFi Software improper authentication in Ring 2 drivers](https://junglewise.ai/threats/cve-2026-20891-intel-proset-wireless-wifi-software-improper-authentication-in)
- [Intel PROSet/Wireless WiFi Software privilege escalation in Ring 2](https://junglewise.ai/threats/cve-2026-20890-intel-proset-wireless-wifi-software-privilege-escalation-in-ring)