What the vulnerability does
01Description
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.
CVSS base score
4.0/10
CVSS vector
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
Key dates
02Disclosure timeline
February 10, 2026
CVE published
February 11, 2026
Record updated
External resources
