CVE-2023-23396: Microsoft Office Online Server

Medium severity, CVSS 6.5. EPSS: 3.8% chance of exploitation in the next 30 days.

Microsoft Excel Denial of Service Vulnerability

Affected products

• Microsoft Office Online Server: affected versions not specified
• Microsoft Office Web Apps Server: version 2013 only

Published 2023-03-14. Last modified 2026-06-17.