CVE-2025-48514CWE-1220

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…

Medium · published February 10, 2026

CVSS v4.0
4.0
EPSS
0%
Percentile
4.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
4.0 · MEDIUM
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
EPSS
0.00158 · 4.6th percentile
Weakness
CWE-1220 · Insufficient Granularity of Access Control
Published
2026-02-10T19:14Z
EPSS history
Timeline
  • 10 FEB 19:14Z
    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…
    cvelistv5