CVE-2025-54504

Published Nov 10, 2026 CVSS 4.0 · 5.9 Medium EPSS < 1% KEV · Not listed
Description
Insufficient Granularity of Access Control in AMD Secure Encrypted Virtualization (SEV) firmware could allow an attacker with administrative privileges attacker to write to a trusted region used by AMD Secure Encrypted Virtualization-Encrypted State (SEV-ES), potentially resulting in loss of integrity.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Insufficient Access Control in AMD SEV Firmware Allows Privileged Write to Trusted Region
Type Values Removed Values Added
First Time appeared Amd
Amd epyc 9005 Series Processors
Amd epyc Embedded 9005 Series Processors
Vendors & Products Amd
Amd epyc 9005 Series Processors
Amd epyc Embedded 9005 Series Processors
Type Values Removed Values Added
Title Insufficient Access Control in AMD SEV Firmware Allows Privileged Write to Trusted Region
Type Values Removed Values Added
Title Insufficient Granularity of Access Control in AMD SEV Firmware May Allow Privileged Attackers to Tamper with Trusted State
Type Values Removed Values Added
Title Insufficient Granularity of Access Control in AMD SEV Firmware May Allow Privileged Attackers to Tamper with Trusted State
Type Values Removed Values Added
Description Insufficient Granularity of Access Control in AMD Secure Encrypted Virtualization (SEV) firmware could allow an attacker with administrative privileges attacker to write to a trusted region used by AMD Secure Encrypted Virtualization-Encrypted State (SEV-ES), potentially resulting in loss of integrity.
Weaknesses CWE-1220
References
Metrics cvssV4_0

{'score': 5.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMD
Published
Updated
Nov 12, 2026, 11:40 PM
Reserved
Jul 23, 2025, 3:01 PM
Status
Awaiting Analysis
Published
Nov 10, 2026, 10:17 PM
Modified
Nov 13, 2026, 12:20 AM