# KEV **Entity class:** Acronym and alias route **KEV** means the [[wiki/Known Exploited Vulnerabilities Catalog|Known Exploited Vulnerabilities Catalog]], CISA's authoritative source of vulnerabilities exploited in the wild. ## Relationships - **canonical entry:** [[wiki/Known Exploited Vulnerabilities Catalog|Known Exploited Vulnerabilities Catalog]]. - **vulnerability data:** [[wiki/NVD|NVD]]. ## Sources / Provenance - Cybersecurity and Infrastructure Security Agency, [Known Exploited Vulnerabilities Catalog](https://www.cisa.gov/known-exploited-vulnerabilities-catalog), accessed 2026-09-23.