CVE-2025-48517 MEDIUM

CVE-2025-48517

Weakness CWE-1220
Published February 10, 2026
Last update February 10, 2026

CVSS base score

4.6/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

Insufficient Granularity of Access Control in SEV firmware could allow a privileged user with a malicious hypervisor to create a SEV-ES guest with an ASID in the range meant for SEV-SNP guests potentially resulting in a partial loss of confidentiality.

Key dates

02Disclosure timeline

February 10, 2026 CVE published
February 10, 2026 Record updated