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5.9 Medium

Insufficient Granularity of Access Control in AMD Secure Encrypted Virtualization (SEV) firmware could allow an attacker with…

CVE-2025-54504

Insufficient Granularity of Access Control in AMD Secure Encrypted Virtualization (SEV) firmware could allow an attacker with administrative privileges attacker to write to a trusted region used by AMD Secure Encrypted Virtualization-Encrypted State (SEV-ES), potentially resulting in loss of integrity.

Assessment

CVSS
5.9 (v4.0)
Severity
Medium
Known exploited
Not listed in CISA KEV
Exploit availability
Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published
11 November 2026
Last updated
11 November 2026
Assigner
AMD

CVSS vectorCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N

At the source

References

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