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CVE-2025-54518

7.0 · HIGH
Published May 15, 2026 CWE-1189

Overview

CVE-2025-54518 is a high-severity vulnerability. It was published on May 15, 2026 and has a CVSS 3.1 base score of 7.0 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.0, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Ref www.amd.com/en/resources/product-security/bulletin/AMD-SB-7052.html Ref www.openwall.com/lists/oss-security/2026/05/12/15 Ref xenbits.xen.org/xsa/advisory-490.html Ref access.redhat.com/errata/RHSA-2026:50978 Ref access.redhat.com/errata/RHSA-2026:50979 Ref access.redhat.com/errata/RHSA-2026:53329 Ref access.redhat.com/errata/RHSA-2026:53989 Ref access.redhat.com/errata/RHSA-2026:53990 Ref access.redhat.com/errata/RHSA-2026:54769 Ref access.redhat.com/errata/RHSA-2026:55444

Frequently Asked Questions

What is CVE-2025-54518?

CVE-2025-54518 is a high-severity vulnerability. It was published on May 15, 2026 and has a CVSS 3.1 base score of 7.0 (HIGH).

How severe is CVE-2025-54518?

This vulnerability has a CVSS 3.1 base score of 7.0, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-54518?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-54518?

CyberStrike's AI-powered security agents can automatically detect CVE-2025-54518 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

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HackBrowser

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