CISA Expands KEV Catalog with 1,484 New Vulnerabilities as Active Exploitation Surges 20% in 2025

The United States Cybersecurity and Infrastructure Security Agency (CISA) has significantly expanded its Known Exploited Vulnerabilities (KEV) Catalog to 1,484 vulnerabilities as of December 2025, marking a critical milestone in the federal government’s efforts to combat actively exploited security flaws. This comprehensive database, which began with 311 vulnerabilities in November 2021, has grown substantially over […]

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