This article describes update KB3085504 for Microsoft Office 2013 that was released on September 8, 2015. This update also applies to Office Home and Student 2013 RT. This update has a prerequisite.
Be aware that the update in Download Center applies to Microsoft Installer (.msi)-based edition of Office 2013. It doesn't apply to the Office 2013 Click-to-Run editions such as Microsoft Office 365 Home. (How to determine?)
Be aware that the update in Download Center applies to Microsoft Installer (.msi)-based edition of Office 2013. It doesn't apply to the Office 2013 Click-to-Run editions such as Microsoft Office 365 Home. (How to determine?)