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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…

Products / packages AMD EPYC™ 9004 Series Processors · AMD EPYC™ 7003 Series Processors · AMD EPYC™ 8004 Series Processors · 4 more

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Severity and exploitation

Not in CISA KEV

KEV coverage does not rule out exploitation.

KEV checked 14/11/2026, 21:30:34 UTC
AMD · CVSS:4.0 · 5.9
Assessment vectorCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N

Severity

medium5.9

CVSS measures technical severity, not the likelihood of an attack.

Known exploitation

Not listed in the checked CISA KEV catalog

Absence from CISA KEV does not rule out attacks.

Public exploit

Not established by this record

Missing evidence does not mean no public exploit exists.

Remediation

Fix status not established

No structured fix or guidance is available here. Check the latest publisher advisory.

What this means

The ASP Bootloader in AMD EPYC processors uses a per-part static key, potentially allowing an attacker to downgrade Secure Encrypted Virtualization (SEV) firmware and exploit known vulnerabilities, resulting in loss of confidentiality. The affected versions are not specified, but some versions are listed as unaffected.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Attack conditions

No attack-condition excerpt has been identified here. Review the full source description and references for authentication, network access, and configuration requirements.

Review supporting sources →

Affected versions

Check the exact model, release, and any platform requirements against your installation.

AMD · AMD

AMD EPYC™ 9004 Series Processors

1 range
AMD version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

GenoaPI_1.0.0.J

unknown

Other versions: affected

AMD · AMD

AMD EPYC™ 7003 Series Processors

1 range
AMD version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

MilanPI-SP3_1.0.0.K

unknown

Other versions: affected

AMD · AMD

AMD EPYC™ 8004 Series Processors

1 range
AMD version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

GenoaPI_1.0.0.J

unknown

Other versions: affected

AMD · AMD

AMD EPYC™ Embedded 7003 Series Processors

1 range
AMD version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

EmbMilanPI-SP3 1.0.0.E

unknown

Other versions: affected

AMD · AMD

AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")

1 range
AMD version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

EmbeddedGenoaPI_1.0.0.E

unknown

Other versions: affected

AMD · AMD

AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")

1 range
AMD version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

EmbeddedGenoaPI_1.0.0.E

unknown

Other versions: affected

AMD · AMD

AMD EPYC™ Embedded 8004 Series Processors

1 range
AMD version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

unaffected

EmbeddedGenoaPI_1.0.0.E

unknown

Other versions: affected

Automatic dependency matching is unavailable for this record. Use the product evidence and publisher’s instructions to check your installation.

What to do

Compare your installed product and version with the affected versions above. A matching product name alone does not confirm exposure.

No structured fix or remediation guidance is available here. Check the full source description and vendor’s latest advisory for a patch or workaround; do not assume another version is safe.

cve.new guidance unless attributed to a publisher. This page does not inspect your installation.

Public exploit evidence

No public exploit reference is identified in the imported evidence. This is not a claim that no exploit exists.

Original source description

Read the full publisher 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 potentially resulting in loss of confidentiality.

References

1 sources
www.amd.com/en/resources/product-security/bulletin/AMD-SB-3038.html
Security advisoryAMD

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-0003

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-321 ↗

CWE-321 Use of Hard-coded Cryptographic Key

AMD

Related →
Contributing organizations · 2
AMD

Assigning organization

2026-11-10
CISA-ADP

Additional data publisher

2026-11-12

Timeline

All times UTC

  1. Advisory published

    Publication date supplied by the source.

  2. Source updated

    Latest modification date supplied by the source.

  3. Last imported by cve.new

    Latest catalog import, not the date we first saw this advisory.

What changed

Follow changes
  1. CVE · CVE-2026-0003

    Observed 2026-11-13T00:26:50.143Z · upstream updated 2026-11-12T23:51:30.891Z

    Prioritization updated

    before

    []

    after

    [
  {
    "source": "CISA-ADP",
    "type": "SSVC",
    "role": "CISA Coordinator",
    "timestamp": "2026-11-12T23:51:15.343545Z",
    "decisions": [
      {
        "name": "Exploitation",
        "value": "none"
      },
      {
        "name": "Automatable",
        "value": "no"
      },
      {
        "name": "Technical Impact",
        "value": "partial"
      }
    ]
  }
]

Large field values are marked as truncated previews. Original source snapshots remain retained.

Showing up to 50 most recent observed changes.