CVE-2025-54518

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.

  • Published May 15, 2026
  • CVSS 7.3 high
  • 0.3% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

In the news

CVE-2025-54518 at the National Vulnerability Database