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CVE-2026-0003VulnerabilityPublished

Use of a Per-part Static Key

Source GCVE Database

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Authoritative record:CVE-2026-0003· Medium 5.9

Not known to be exploited · CVSS 5.9 Medium.

Data as of 11 Nov 2026, 01:21 UTC

CVSS 4.0 base score
5.9Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (AMD)CVSS 4.05.9
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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
AMDAMD EPYC™ 9004 Series ProcessorsAffected–Fixed in–
AMDAMD EPYC™ 7003 Series ProcessorsAffected–Fixed in–
AMDAMD EPYC™ 8004 Series ProcessorsAffected–Fixed in–
AMDAMD EPYC™ Embedded 7003 Series ProcessorsAffected–Fixed in–
AMDAMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")Affected–Fixed in–
AMDAMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")Affected–Fixed in–

AI-suggested

No official fixes or patches are currently documented. Until a fix is available, monitoring vendor communications for updates is recommended.

Description

CVE-2026-0003 describes a vulnerability in the ASP Bootloader where a per-part static key is used. This flaw could allow an attacker to downgrade the Secure Encrypted Virtualization (SEV) firmware and exploit known vulnerabilities to decrypt memory, potentially leading to loss of confidentiality. The vulnerability has a medium severity rating with a CVSS score of 5.9. No affected versions or patches are specified in the available data.

References

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