A security analyst completes a vulnerability scan of the organization's web servers and receives over 300 findings. The analyst needs to prioritize remediation efforts based on severity. One vulnerability has a CVSS base score of 9.1, is exploitable remotely without authentication, and affects a production server hosting customer data. Another vulnerability has a CVSS score of 7.2, requires local access, and exists on an internal test server. What should be the analyst's FIRST priority?