CVE-2016-3235: Microsoft Office OLE DLL Side Loading Vulnerability

High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 43.3% chance of exploitation in the next 30 days.

Microsoft Visio 2007 SP3, Visio 2010 SP2, Visio 2013 SP1, Visio 2016, Visio Viewer 2007 SP3, and Visio Viewer 2010 mishandle library loading, which allows local users to gain privileges via a crafted application, aka "Microsoft Office OLE DLL Side Loading Vulnerability."

Affected products

• Microsoft Visio: version 2007 only; version 2010 only; version 2013 only; version 2016 only
• Microsoft Visio Viewer: version 2007 only; version 2010 only

Published 2016-06-16. Last modified 2026-06-17.