Vulnerability in AMD Secure Encrypted Virtualization Firmware
CVE-2025-62621

5.9MEDIUM

Key Information:

Vendor

Amd
Status
Amd Epyc™ 9005 Series Processors
Amd Epyc™ Embedded 9005 Series Processors
Vendor
CVE Published:
10 November 2026

What is CVE-2025-62621?

A vulnerability in the AMD Secure Encrypted Virtualization firmware may allow a malicious hypervisor to exploit expected behavior violations, leading to the bypassing of Reverse Map Table protections. This could potentially compromise the integrity of guest memory within the Secure Encrypted Virtualization-Secure Nested Paging architecture, raising significant security concerns for users relying on these features for protecting virtualized environments.

Affected Version(s)

AMD EPYC™ 9005 Series Processors TurinPI_1.0.0.A

AMD EPYC™ Embedded 9005 Series Processors EmbeddedTurinPI_SP5_1004

References

https://www.amd.com/en/resources/product-security/bulleti...

CVSS V4

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.