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Vulnerability record · CVE-2021-0174 · published 9 February 2022

CVE-2021-0174: Intel amt ac 8260 firmware improper input validation vulnerability

Intel · Amt Ac 8260 Firmware

Improper Use of Validation Framework in firmware for some Intel(R) PROSet/Wireless Wi-Fi in multiple operating systems and some Killer(TM) Wi-Fi in Windows 10 and 11 may allow a unauthenticated user to potentially enable denial of service via adjacent access.

6.5 CVSS 3.1 Medium EPSS 0.52% · top 58.1% CWE-20 · Improper input validation
6.5CVSS 3.1 base score, v2 3.3
0.52%EPSS exploitation probability, 30 days
NoNot in CISA KEV
22Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Improper Use of Validation Framework in firmware for some Intel(R) PROSet/Wireless Wi-Fi in multiple operating systems and some Killer(TM) Wi-Fi in Windows 10 and 11 may allow a unauthenticated user to potentially enable denial of service via adjacent access.

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

Affected products

22 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2021-0162Intel amt ac 8260 firmware improper input validation vulnerabilityImproper input validation in software for Intel(R) PROSet/Wireless Wi-Fi and Killer(TM) Wi-Fi in Windows 10 and 11 may allow an unauthenticated user …EPSS 0.41%8.8CVE-2021-0163Intel amt ac 8260 firmware improper input validation vulnerabilityImproper Validation of Consistency within input in software for Intel(R) PROSet/Wireless Wi-Fi and Killer(TM) Wi-Fi in Windows 10 and 11 may allow an…EPSS 0.41%8.4CVE-2021-0066Intel amt ac 8260 firmware improper input validation vulnerabilityImproper 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 …EPSS 0.32%7.8CVE-2021-0164Intel amt ac 8260 firmware vulnerabilityImproper access control in firmware for Intel(R) PROSet/Wireless Wi-Fi in multiple operating systems and Killer(TM) Wi-Fi in Windows 10 and 11 may al…EPSS 0.30%6.7CVE-2021-0169Intel amt ac 8260 firmware uncontrolled search path element vulnerabilityUncontrolled Search Path Element in software for Intel(R) PROSet/Wireless Wi-Fi in Windows 10 and 11 may allow a privileged user to potentially enabl…EPSS 0.24%6.7CVE-2021-0167Intel amt ac 8260 firmware vulnerabilityImproper access control in software for Intel(R) PROSet/Wireless Wi-Fi and Killer(TM) Wi-Fi in Windows 10 and 11 may allow a privileged user to poten…EPSS 0.24%6.7CVE-2021-0168Intel amt ac 8260 firmware improper input validation vulnerabilityImproper input validation in firmware for some Intel(R) PROSet/Wireless Wi-Fi in multiple operating systems and some Killer(TM) Wi-Fi in Windows 10 a…EPSS 0.31%6.7CVE-2021-0166Intel amt ac 8260 firmware information exposure vulnerabilityExposure of Sensitive Information to an Unauthorized Actor in firmware for some Intel(R) PROSet/Wireless Wi-Fi in multiple operating systems and some…EPSS 0.29%

Source: NIST National Vulnerability Database (record CVE-2021-0174), CISA KEV, FIRST EPSS (scores of 2026-10-06). This page is refreshed as NVD updates the record.