Microsoft fixed security issues on Excel, Outlook 2013 and 2016, for both 32 and 64-bit
Along with security patches for the OS via Patch Tuesday, Microsoft also released security improvements for Office 2013 and 2016, namely for Outlook and Excel, for both 32- and 64-bit versions.
Microsoft Office Patch Tuesday Microsoft Excel Common Vulnerabilities Microsoft Outlook Microsoft Common Vulnerabilities
Source: neowin.net