CVE-2026-0480
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-306 |
| Vendor | amd |
| Product | amd epyc™ 9005 series processors |
| Published | Nov 10, 2026 |
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Affected Versions
AMD / AMD EPYC™ 9005 Series Processors
All versions affected AMD / AMD EPYC™ 8005 Series Processors
All versions affected AMD / AMD EPYC™ Embedded 9005 Series Processors
All versions affected