CVE-2025-52535: Medium severity AMD Secure Encrypted Virtualization (SEV) firmware vulnerability

Published Nov 10, 2026

Updated

Improper resource reuse in the AMD Secure Encrypted Virtualization (SEV) firmware could allow an attacker with hypervisor access to write to the Reverse Map Table (RMP) protected memory, potentially resulting in loss of guest memory integrity.

Affected Software

1 affected component

AMD Secure Encrypted Virtualization (SEV) firmware

Event History

Nov 10, 2026

CVE Published

via MITRE·09:44 PM

Data Sourced

via MITRE·09:44 PM

DescriptionWeakness

Data Sourced

via NVD·10:17 PM

DescriptionSeverityWeakness

Frequently Asked Questions

Who is realistically exposed to this issue?

Systems using AMD SEV firmware are exposed if an attacker can obtain hypervisor access. The potential impact is loss of integrity for guest memory protected by the Reverse Map Table.

What level of access does an attacker need?

Exploitation requires hypervisor access. The provided information does not indicate that a guest-only or remote attacker can exploit the issue.

CVE-2025-52535: Medium severity AMD Secure Encrypted Virtualization (SEV) firmware vulnerability

Affected Software

Event History

Frequently Asked Questions

Who is realistically exposed to this issue?

What level of access does an attacker need?

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Frequently Asked Questions

Who is realistically exposed to this issue?

What level of access does an attacker need?