Vulnerability intelligence
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.
CVSS Score
7.3
High
EPSS — Exploit Probability
0.3%
Riskier than 21% of all CVEs · checked 2026-09-09
Exploitation
Not in CISA KEV
KEV does not include every exploited vulnerability
Remediation
unknown
Check vendor advisories
1 article across 1 outlet · first covered May 13, 2026 · latest May 13, 2026
Coverage timeline
-
Microsoft fixes 138 bugs, flags critical DNS heap overflowthehackernews.com · May 13, 2026