CVE-2026-28247
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
Improper Access Control Applied to Mirrored or Aliased Memory Regions in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to change the encryption bit for guest context pages potentially resulting in loss of integrity.
| CWE | CWE-1257 |
| 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™ 9005 Series Processors
All versions affected AMD / AMD EPYC™ 8004 Series Processors
All versions affected AMD / AMD EPYC™ 8005 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 AMD / AMD EPYC™ Embedded 9005 Series Processors
All versions affected