{"id":"CVE-2026-0480","aliases":["EUVD-2026-123046"],"status":"published","description":"Missing Authentication for Critical Function in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to forge SEV-TIO guest request messages potentially compromising SEV-SNP guest memory integrity and confidentiality.","severity":{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","level":"medium","assessor":"cna","from":"cve"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-306"],"published":"2026-11-10T22:12:04Z","modified":"2026-11-10T22:12:04Z","products":[{"vendor":"amd","product":"amd epyc™ 8005 series processors"},{"vendor":"amd","product":"amd epyc™ 9005 series processors"},{"vendor":"amd","product":"amd epyc™ embedded 9005 series processors"}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3038.html"}],"sources":{"cve":[{"id":"CVE-2026-0480","description":"Missing Authentication for Critical Function in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to forge SEV-TIO guest request messages potentially compromising SEV-SNP guest memory integrity and confidentiality.","status":"published","published":"2026-11-10T22:12:04.455Z","modified":"2026-11-10T22:12:04.455Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-306"],"updated_at":"2026-11-10T23:49:27.437318Z"}],"euvd":[{"id":"EUVD-2026-123046","description":"Missing Authentication for Critical Function in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to forge SEV-TIO guest request messages potentially compromising SEV-SNP guest memory integrity and confidentiality.","status":"published","published":"2026-11-10T22:12:04Z","modified":"2026-11-10T22:12:04Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N","level":"medium"}],"updated_at":"2026-11-10T23:24:16.163953Z"}]}}