CVE
Common Vulnerabilities and Exposures — a unique identifier for a publicly disclosed vulnerability.
Each CVE ID (e.g., CVE-2017-0144, the EternalBlue flaw behind WannaCry) uniquely names one publicly disclosed vulnerability, giving vendors, scanners, and defenders a common reference. CVE identifies what the flaw is; CVSS scores how severe it is, and feeds like CISA’s KEV catalog flag which CVEs are actively exploited and should jump the patch queue.
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