CVE-2026-0454 - Vulnerability Details - OpenCVE

An out-of-bounds write in the AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to corrupt global firmware variables, potentially resulting in loss of integrity.

Attack Vector Local

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

AMD

AMD EPYC™ 9005 Series Processors

affected

Version	Status	Constraints
`TurinPI_1.0.0.B`	unaffected	—

AMD

AMD EPYC™ 8005 Series Processors

affected

Version	Status	Constraints
`TurinPI_1.0.0.B`	unaffected	—

AMD

AMD EPYC™ Embedded 9005 Series Processors

affected

Version	Status	Constraints
`EmbeddedTurinPI_SP5_1005`	unaffected	—

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3038.html

History

Tue, 10 Nov 2026 22:30:00 +0000

Type	Values Removed	Values Added
Description		An out-of-bounds write in the AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to corrupt global firmware variables, potentially resulting in loss of integrity.
Weaknesses		CWE-787
References		https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3038.html
Metrics		cvssV4_0 `{'score': 4.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2026-11-10T22:12:15.842Z

Updated: 2026-11-10T22:12:15.842Z

Reserved: 2025-12-06T13:53:59.350Z

Link: CVE-2026-0454

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-11-10T23:17:19.473

Modified: 2026-11-10T23:17:19.473

Link: CVE-2026-0454

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-787

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