CVE-2026-20890: Intel PROSet/Wireless WiFi Software privilege escalation in Ring 2

CVE-2026-20890 · Severity: high · CVSS 7.3 · Published 2026-08-11

Intel PROSet/Wireless WiFi Software is a driver and utility suite for wireless network adapters on Windows systems. A flaw in privilege management within the Ring 2 privileged process layer allows an unprivileged local attacker to escalate privileges to a higher access level, potentially compromising system security and data integrity. This vulnerability affects the confidentiality, integrity, and availability of the Windows system.

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-2026-20890 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-20890 being exploited in the wild.
How severe is CVE-2026-20890?
High severity, with a CVSS score of 7.3, published 11 August 2026.
Which products and versions are affected?
Intel PROSet/Wireless WiFi Software some versions for Windows.
Is there a fix for CVE-2026-20890?
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-2026-20890 attacked?
It is attacked with local access, in device firmware.
Am I affected by CVE-2026-20890?
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-2026-20890 is an improper privilege management vulnerability in Intel PROSet/Wireless WiFi Software for Windows, affecting Ring 2: Privileged Process components. The vulnerability requires local access and allows an unauthenticated unprivileged adversary to achieve privilege escalation with high attack complexity. No user interaction is required for exploitation. An attacker can leverage this flaw to gain elevated privileges, leading to potential impacts on system confidentiality (low), integrity (low), and availability (high). Intel has released software updates to mitigate this vulnerability.

Affected products

  • Intel PROSet/Wireless WiFi Software some versions for Windows

Timeline

  • 2026-08-11: disclosed: Initial advisory release
  • 2026-09-22: other: Advisory last revised

References

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