CVE-2025-54518
HIGH EPSS 20.3%
Published May 15, 20261mo ago · Modified Jun 17, 20261w ago
7.3 CVSS 4.0
Published May 15, 2026 1mo ago
Last Modified Jun 17, 2026 1w ago
Description
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 Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Local
Attack Complexity High
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
20.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-1189
References 3
- openwall.com http://www.openwall.com/lists/oss-security/2026/05/12/15
- xenbits.xen.org http://xenbits.xen.org/xsa/advisory-490.html
- amd.com https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-7052.html
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.