EPSS (Exploit Prediction Scoring System)

EPSS is a data-driven model that estimates the probability that a software vulnerability will be exploited in the wild within the next 30 days. Unlike CVSS (which measures theoretical severity), EPSS predicts real-world exploitation likelihood using threat intelligence, exploit availability, and historical exploitation data.

Why It Matters

A vulnerability with a CVSS score of 9.8 might never be exploited, while a CVSS 6.0 vulnerability might be actively exploited today. EPSS helps you focus on the threats that attackers are actually using, not just the ones that look scary on paper.

How Redsight Helps

Redsight includes EPSS scores alongside CVSS for every finding, helping you prioritize remediation by real-world exploitation likelihood rather than theoretical severity alone.

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