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.
Published: 2026-11-10
Score: 4.6 Medium
EPSS: < 1% Very Low
KEV: No
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Remediation

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Tracking

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Advisories

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History

Thu, 12 Nov 2026 20:30:00 +0000

Type Values Removed Values Added
First Time appeared Amd
Amd epyc 8005 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 9005 Series Processors
Vendors & Products Amd
Amd epyc 8005 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 9005 Series Processors

Thu, 12 Nov 2026 07:00:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Write in AMD SEV Firmware Enables Hypervisor to Corrupt Global Variables

Wed, 11 Nov 2026 16:30:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Write in AMD SEV Firmware Enables Hypervisor to Corrupt Global Variables

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
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'}


Subscriptions

Amd Epyc 8005 Series Processors Epyc 9005 Series Processors Epyc Embedded 9005 Series Processors
cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

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

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

Link: CVE-2026-0454

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

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

Modified: 2026-11-12T16:58:33.260

Link: CVE-2026-0454

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-12T20:08:37Z

Weaknesses