Description
Insufficient Granularity of Access Control in SEV firmware can allow a privileged attacker to create a SEV-ES Guest to attack SNP guest, potentially resulting in a loss of confidentiality.
Scores
CVSS v4
4.0
EPSS
0.0002
EPSS Percentile
4.8%
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-1220
Status
published
Products (9)
AMD/AMD EPYC™ 7003 Series Processors
MilanPI 1.0.0.H
AMD/AMD EPYC™ 8004 Series Processors
Genoa++_1.0.0.H
AMD/AMD EPYC™ 9004 Series Processors
Genoa++_1.0.0.H
AMD/AMD EPYC™ 9005 Series Processors
TurinPI 1.0.0.6
AMD/AMD EPYC™ Embedded 7003 Series Processors
EmbMilanPI-SP3 v9 1.0.0.C
AMD/AMD EPYC™ Embedded 8004 Series Processors
EmbGenoaPI-SP5 1.0.0.C
AMD/AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")
EmbGenoaPI-SP5 1.0.0.C
AMD/AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")
EmbGenoaPI-SP5 1.0.0.C
AMD/AMD EPYC™ Embedded 9005 Series Processors
EmbTurinPI-SP5_1.0.0.1
Published
Feb 10, 2026
Tracked Since
Feb 18, 2026