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Cloud Security

Jun 4, 2026·14 min read

CVSS Is Not Enough: Use EPSS and CISA KEV to Prioritize What Actually Matters

Most security teams sort vulnerabilities by CVSS score and patch the highest numbers first. That approach is wrong. CVSS measures theoretical severity, not real-world danger. This guide explains how to combine EPSS exploitation probability and the CISA KEV catalog to build a prioritization framework that reflects actual attacker behavior.

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