Common Vulnerability Scoring System Version 4.0

CVSS version 4.0 is the next generation of the Common Vulnerability Scoring System standard.

Some of the changes incorporated into CVSS v4.0 include:

More information about what's new in CVSS v4.0 is available in PDF format here.

The CVSS v4.0 Public Preview comment period began on June 8, 2023, and runs through July 31, 2023. All feedback will be reviewed and addressed by September 30, 2023 (previously August 31, 2023), with a target official publication date of October 31, 2023.

Comments, questions, concerns, and other feedback may be sent to This is a limited distribution mailing list. All comments will be anonymized before being reviewed and considered.