# CVE-2026-0003: CVE-2026-0003

Status: published. Published: 2026-11-10. Updated: 2026-11-12.

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 potentially resulting in loss of confidentiality.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- AMD / AMD EPYC™ 9004 Series Processors: GenoaPI_1.0.0.J (unaffected). Source: CNA: AMD
- AMD / AMD EPYC™ 7003 Series Processors: MilanPI-SP3_1.0.0.K (unaffected). Source: CNA: AMD
- AMD / AMD EPYC™ 8004 Series Processors: GenoaPI_1.0.0.J (unaffected). Source: CNA: AMD
- AMD / AMD EPYC™ Embedded 7003 Series Processors: EmbMilanPI-SP3 1.0.0.E (unaffected). Source: CNA: AMD
- AMD / AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa"): EmbeddedGenoaPI_1.0.0.E (unaffected). Source: CNA: AMD
- AMD / AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo"): EmbeddedGenoaPI_1.0.0.E (unaffected). Source: CNA: AMD
- AMD / AMD EPYC™ Embedded 8004 Series Processors: EmbeddedGenoaPI_1.0.0.E (unaffected). Source: CNA: AMD

## Severity and prioritization

- CVSS 4.0: 5.9 (medium); CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N; source: CNA: AMD

- CVSS 4.0: 5.9 (medium); CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X; source: NVD: psirt@amd.com

- CISA KEV: No listing in collected sources

- EPSS: 0.15% as of 2026-11-12; percentile 4.62%

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-321

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3038.html (CNA: AMD)

- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3038.html (psirt@amd.com)

## Provenance

- CNA: AMD: https://www.cve.org/CVERecord?id=CVE-2026-0003; retrieved 2026-11-13; source updated 2026-11-12

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-0003; retrieved 2026-11-12; source updated 2026-11-12

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-0003; retrieved 2026-11-13; source updated Not reported

Revision: 9e28b382524caee346ae837f84191b63d3c6926173894fe2ce258d138298f184

Canonical: https://y2.dev/cve/CVE-2026-0003

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