Enhancing Vulnerability Prioritization: NIST's Proposed Metric for Likely Exploited Vulnerabilities

NIST's Cybersecurity White Paper (CSWP) 41 introduces a new metric aimed at assessing the likelihood that a vulnerability has been actively exploited. This initiative addresses the limitations of existing tools like the Exploit Prediction Scoring System (EPSS), which has known inaccuracies, and the Known Exploited Vulnerability (KEV) lists, which may lack comprehensiveness. By incorporating community-provided probabilities, the proposed metric seeks to provide a more accurate and comprehensive approach to vulnerability remediation efforts. The paper emphasizes the need for collaboration with industry partners to validate and refine this metric, ensuring its effectiveness in real-world applications. 

https://csrc.nist.gov/pubs/cswp/41/likely-exploited-vulnerabilities-a-proposed-metric/final

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