{"cve":"CVE-2024-56161","nvd":{"published":"2025-02-03T18:15:37.280","modified":"2026-06-17T08:11:46.347","status":"Deferred","description":"Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N","score":7.2},"cwes":["CWE-347"],"references":["https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3019.html","http://www.openwall.com/lists/oss-security/2025/02/04/1","http://www.openwall.com/lists/oss-security/2025/03/06/2","https://lists.debian.org/debian-lts-announce/2025/03/msg00024.html","https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7033.html"],"products":[],"source":"nvd","synced_at":"2026-10-19T21:58:41.599736885+00:00"},"epss":{"cve":"CVE-2024-56161","score":0.00533,"percentile":0.45037,"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."]}