CVE-2021-0066

Name: CVE-2021-0066
Creator: NVD / NIST
Published: 2022-02-09T23:15:10.9+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.4/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2021-0066 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. Improper input validation in firmware for Intel(R) PROSet/Wireless Wi-Fi in multiple operating systems and Killer(TM) Wi-Fi in Windows 10 and 11 may allow an unauthenticated user to potentially enable escalation of privilege via local access.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

Improper input validation in firmware for Intel(R) PROSet/Wireless Wi-Fi in multiple operating systems and Killer(TM) Wi-Fi in Windows 10 and 11 may allow an unauthenticated user to potentially enable escalation of privilege via local access.

Metrics

CVSS 3.1

8.4/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.32%

23.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Intel	Amt Ac 8260 Firmware	< 11.8.90
Intel	Amt Ac 8265 Firmware	< 11.8.90
Intel	Amt Ac 9260 Firmware	< 12.0.85
Intel	Amt Ac 9560 Firmware	< 12.0.85
Intel	Amt Wi-Fi 6 Ax200 Firmware	< 12.0.85
Intel	Amt Wi-Fi 6 Ax200 Firmware	>= 14.0.0, < 14.1.60
Intel	Amt Wi-Fi 6 Ax200 Firmware	>= 15.0.0, < 15.0.35
Intel	Amt Wi-Fi 6 Ax201 Firmware	>= 14.0.0, < 14.1.60
Intel	Amt Wi-Fi 6 Ax201 Firmware	>= 15.0.0, < 15.0.35
Intel	Amt Wi-Fi 6 Ax210 Firmware	< 15.0.35
Intel	Proset Ac 3165 Firmware	< 22.60
Intel	Proset Ac 3168 Firmware	< 22.60
Intel	Proset Ac 8260 Firmware	< 22.60
Intel	Proset Ac 8265 Firmware	< 22.60
Intel	Proset Ac 9260 Firmware	< 22.60
Intel	Proset Ac 9461 Firmware	< 22.60
Intel	Proset Ac 9462 Firmware	< 22.60
Intel	Proset Ac 9560 Firmware	< 22.60
Intel	Proset Wi-Fi 6 Ax200 Firmware	< 22.60
Intel	Proset Wi-Fi 6 Ax201 Firmware	< 22.60
Intel	Proset Wi-Fi 6e Ax210 Firmware	< 22.60
Intel	Proset Wireless 7265 \(Rev D\) Firmware	< 22.60
Intel	Killer Ac 1550 Firmware	< 3.0
Intel	Killer Wi-Fi 6 Ax1650 Firmware	< 3.0
Intel	Killer Wi-Fi 6e Ax1675 Firmware	< 3.0

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00539.htmlPatch, Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00539.htmlPatch, Vendor Advisory

Timeline

Published: Feb 9, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-0066?

How severe is CVE-2021-0066?

CVE-2021-0066 has a CVSS score of 8.4/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2021-0066?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-0066?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST