CVE-2026-20778: intel proset\/wireless_wifi Out-of-bounds Read

Vulnerability summary

CVE-2026-20778 is a high (CVSS 7.0) Out-of-bounds Read vulnerability in intel proset\/wireless_wifi. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.7% of scored vulnerabilities.

Timeline

1. 11-08-2026
   PublishedVulnerability first disclosed.
2. 12-08-2026
   Last modifiedVulnerability information updated.

Description

Out-of-bounds read for some Intel(R) PROSet/Wireless WiFi Software for Windows within Ring 0: Kernel may allow a denial of service. Unprivileged software adversary with an unauthenticated user combined with a high complexity attack may enable denial of service. This result may potentially occur via adjacent access when attack requirements are present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (none), integrity (none) and availability (high) of the vulnerable system, resulting in subsequent system confidentiality (none), integrity (none) and availability (high) impacts.

• CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.