Free public search for Common Vulnerabilities and Exposures (CVEs). Real-time threat intelligence index optimised for security researchers.

Vulnerability Database

CVE Search Engine

Search 246,000+ Common Vulnerabilities and Exposures. Free, open, and updated in real-time.

Live Index
0 Critical Today
Open Database

Active Groups

Directory
NameOrigin
WET PANDACN
GraylingCN
APT18CN
Corsair JackalTN
Dancing SalomeUnknown

Triage Guide

How to triage this CVE?

Don't rely on CVSS alone. Use EPSS scores to determine real-world risk.

See our Triage Playbook

Monitor Your Attack Surface

Stop relying on public feeds. Get tailored alerts for your specific tech stack and industry.

Get Started Free
No credit card required · 14-day pro trial

Common Questions

What is a CVE?

CVE stands for Common Vulnerabilities and Exposures. It is a list of entries for publicly known cybersecurity vulnerabilities.

How is CVSS calculated?

CVSS (Common Vulnerability Scoring System) assigns a score from 0.0 to 10.0 based on exploitability, impact, and other metrics.

About Precursor Intelligence

The Precursor CVE Index is a free resource for the community, providing real-time access to the National Vulnerability Database. For enterprise monitoring, automated triage, and risk scoring, try our full platform.