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Vulnerability record · CVE-2021-26382 · published 14 July 2022

CVE-2021-26382: Amd ryzen 7 5700g firmware vulnerability

AAmd · Ryzen 7 5700g Firmware

An attacker with root account privileges can load any legitimately signed firmware image into the Audio Co-Processor (ACP,) irrespective of the respective signing key being declared as usable for authenticating an ACP firmware image, potentially resulting in a denial of service.

4.4 CVSS 3.1 Medium EPSS 0.19% · top 92.3%
4.4CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
35Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An attacker with root account privileges can load any legitimately signed firmware image into the Audio Co-Processor (ACP,) irrespective of the respective signing key being declared as usable for authenticating an ACP firmware image, potentially resulting in a denial of service.

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

Affected products

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

References

LinkTags
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027 Vendor Advisory
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027 Vendor Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2021-26382), CISA KEV, FIRST EPSS (scores of 2026-10-06). This page is refreshed as NVD updates the record.