CVE-2026-28248 - Vulnerability Details - OpenCVE

Improper enforcement of behavioral workflow in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to potentially launch a guest whose attestation report contains an ID key digest for an ID block that doesn't match the guest's measurement 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 None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact High

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.

No data.

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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 22:15:00 +0000

Type	Values Removed	Values Added
Description		Improper enforcement of behavioral workflow in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to potentially launch a guest whose attestation report contains an ID key digest for an ID block that doesn't match the guest's measurement resulting in loss of integrity.
Weaknesses		CWE-841
References		https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3038.html
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'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2026-11-10T22:11:49.972Z

Updated: 2026-11-10T22:11:49.972Z

Reserved: 2026-02-25T15:31:49.067Z

Link: CVE-2026-28248

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-11-10T22:18:32.357

Modified: 2026-11-10T22:18:32.357

Link: CVE-2026-28248

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-841

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