Browse known exploited vulnerabilities organized by vendor. See which vendors have the most actively exploited CVEs.
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Common questions about the CVE Lookup by Vendor
This page shows all vendors that have products with vulnerabilities in the CISA Known Exploited Vulnerabilities (KEV) catalog. These are real-world exploited vulnerabilities.
Understanding which vendors have more KEV entries helps prioritize security efforts. Products from vendors with many exploited vulnerabilities may require more frequent patching and monitoring.
This tool is provided for educational and authorized security testing purposes only. Always ensure you have proper authorization before testing any systems or networks you do not own. All processing happens client-side in your browser — no data is sent to our servers.