CVE-2025-54518 HIGH

CVE-2025-54518

Weakness CWE-1189
Published May 15, 2026
Last update June 30, 2026

CVSS base score

7.3/10
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

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

What the vulnerability does

01Description

Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resulting in privilege escalation.

Key dates

02Disclosure timeline

May 15, 2026 CVE published
June 30, 2026 Record updated