01 Record

CVE-2026-0003

Use of a per-part static key in the ASP Bootloader could allow an attacker to downgrade the Secure Encrypted Virtualization (SEV) firmware and exploit known vulnerabilities to decrypt memory

MediumPUBLISHEDCNA: AMD

CNA base score5.9 CVSS v4.0CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N

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02 Description

Use of a per-part static key in the ASP Bootloader could allow an attacker to downgrade the Secure Encrypted Virtualization (SEV) firmware and exploit known vulnerabilities to decrypt memory

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: Not scored by EPSS
EPSS percentile: Not scored by EPSS
NVD base score: The NVD has published no score for this record
NVD CVSS vector: No NVD score to derive
NVD analysis status: Not recorded
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.