{"cve":"CVE-2021-26382","nvd":{"published":"2022-07-14T20:15:08.097","modified":"2026-06-17T03:43:17.360","status":"Modified","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_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","score":4.4},"cwes":[],"references":["https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027","https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027"],"products":["amd:ryzen_3_3200u_firmware","amd:ryzen_3_3250u_firmware","amd:ryzen_3_3300u_firmware","amd:ryzen_3_5125c_firmware","amd:ryzen_3_5300g_firmware","amd:ryzen_3_5300ge_firmware","amd:ryzen_3_5400u_firmware","amd:ryzen_3_5425c_firmware","amd:ryzen_3_5425u_firmware","amd:ryzen_5_3500u_firmware","amd:ryzen_5_3550h_firmware","amd:ryzen_5_3580u_firmware","amd:ryzen_5_5560u_firmware","amd:ryzen_5_5600g_firmware","amd:ryzen_5_5600ge_firmware","amd:ryzen_5_5600h_firmware","amd:ryzen_5_5600hs_firmware","amd:ryzen_5_5600u_firmware","amd:ryzen_5_5625c_firmware","amd:ryzen_5_5625u_firmware","amd:ryzen_7_3700u_firmware","amd:ryzen_7_3750h_firmware","amd:ryzen_7_3780u_firmware","amd:ryzen_7_5700g_firmware","amd:ryzen_7_5700ge_firmware","amd:ryzen_7_5800h_firmware","amd:ryzen_7_5800hs_firmware","amd:ryzen_7_5800u_firmware","amd:ryzen_7_5825c_firmware","amd:ryzen_7_5825u_firmware","amd:ryzen_7_pro_3700u_firmware","amd:ryzen_9_5900hs_firmware","amd:ryzen_9_5900hx_firmware","amd:ryzen_9_5980hs_firmware","amd:ryzen_9_5980hx_firmware"],"source":"nvd","synced_at":"2026-10-19T21:33:44.859608815+00:00"},"epss":{"cve":"CVE-2021-26382","score":0.00188,"percentile":0.08463,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}