CVE-2026-40669
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
An off-by-one error in AMD Secure Encrypted Virtualization (SEV) firmware could allow an attacker with hypervisor access to corrupt the Reverse Map Table (RMP) table, potentially resulting in loss of guest memory integrity.
| CWE | CWE-193 |
| Vendor | amd |
| Product | amd epyc™ 9004 series processors |
| Published | Nov 10, 2026 |
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Affected Versions
AMD / AMD EPYC™ 9004 Series Processors
All versions affected AMD / AMD EPYC™ 7003 Series Processors
All versions affected AMD / AMD EPYC™ 8004 Series Processors
All versions affected AMD / AMD EPYC™ Embedded 7003 Series Processors
All versions affected AMD / AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")
All versions affected AMD / AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")
All versions affected AMD / AMD EPYC™ Embedded 8004 Series Processors
All versions affected