cve.bz

CVE-2026-28248

5.9 medium

Medium (5.9) in amd.

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.

Severity

CVSS 4.0

5.9 medium
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
CWE
CWE-841 Improper Enforcement of Behavioral Workflow
OWASP Top 10
A06:2025 Insecure Design
Published
Assigned by
AMD (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

Ask an AI about this CVE

Show the promptExplain CVE-2026-28248 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-28248?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-28248?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-28248 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.

Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.

Affected

References

Check your stackJSON