Description
Missing Authentication for Critical Function in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to forge SEV-TIO guest request messages potentially compromising SEV-SNP guest memory integrity and confidentiality.
Published: 2026-11-10
Score: 6 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
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Remediation

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History

Tue, 10 Nov 2026 22:30:00 +0000

Type Values Removed Values Added
Description Missing Authentication for Critical Function in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to forge SEV-TIO guest request messages potentially compromising SEV-SNP guest memory integrity and confidentiality.
Weaknesses CWE-306
References
Metrics cvssV4_0

{'score': 6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N'}

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cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

Updated: 2026-11-10T22:12:04.455Z

Reserved: 2025-12-06T15:11:32.982Z

Link: CVE-2026-0480

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses
  • CWE-306

    Missing Authentication for Critical Function