# CVE-2026-20778: Intel PROSet/Wireless WiFi Software out-of-bounds read denial of service

Source: https://junglewise.ai/threats/cve-2026-20778-intel-proset-wireless-wifi-software-out-of-bounds-read-denial-of  
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-2026-20778 · Severity: medium · CVSS 6.8 · Published 2026-08-11

Intel's wireless WiFi driver software for Windows contains an out-of-bounds memory read vulnerability in the kernel driver (Ring 0). An unprivileged attacker on a nearby network can exploit this flaw without authentication to cause a system crash, disrupting operations and availability. The vulnerability requires specific conditions and high attack complexity but poses a real risk to systems using affected Intel wireless drivers.

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-2026-20778 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-20778 being exploited in the wild.

**How severe is CVE-2026-20778?** Medium severity, with a CVSS score of 6.8, published 11 August 2026.

**Which products and versions are affected?** Intel PROSet/Wireless WiFi Software unspecified.

**Is there a fix for CVE-2026-20778?** 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-2026-20778 attacked?** It is attacked from the adjacent network.

**Am I affected by CVE-2026-20778?** 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-2026-20778 is an out-of-bounds read vulnerability in Intel PROSet/Wireless WiFi Software's Ring 0 kernel driver. The flaw can be exploited by an unauthenticated, unprivileged attacker via adjacent network access under specific conditions. The attack requires high complexity and the presence of particular attack prerequisites, but requires no user interaction. Exploitation leads to denial of service through system crash or instability. No information disclosure or integrity compromise occurs. Patches are available from Intel as part of INTEL-SA-01468 advisory released August 11, 2026.

## Affected products

- Intel PROSet/Wireless WiFi Software unspecified

## Timeline

- 2026-08-11: disclosed
- 2026-09-22: advisory: Last revised INTEL-SA-01468

## References

- [https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01468.html](https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01468.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)