According to an updated
Microsoft had originally planned to release three updates for Windows, one for Windows and Visual Studio; one for Windows and Office and three for Office.
Microsoft did not immediately respond to a request for more information.
In addition to the four bulletins scheduled for Tuesday, Microsoft will also update its Windows Malicious Software Removal Tool and will offer a Webcast the next day at 11 a.m. Pacific Time so customers can ask questions about the patches.
Microsoft released seven security updates last month, including fixes for zero-day flaws in Visual Studio and Windows Media Player.