CVE-2019-1446: Microsoft Excel

Medium severity, CVSS 5.5. EPSS: 8.9% chance of exploitation in the next 30 days.

An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka 'Microsoft Excel Information Disclosure Vulnerability'.

Affected products

• Microsoft Excel: version 2010 only; version 2013 only; version 2016 only
• Microsoft Excel Services: affected versions not specified
• Microsoft Office: version 2010 only; version 2013 only; version 2016 only; version 2019 only
• Microsoft Office 365: affected versions not specified
• Microsoft Office Online Server: affected versions not specified
• Microsoft SharePoint Enterprise Server: version 2013 only

Published 2019-11-12. Last modified 2026-06-17.