For anyone looking for documentation on this, please see:
Are there any prerequisites for update 3087985? Yes. Customers running Internet Explorer 7, Internet Explorer 8, Internet Explorer 9, Internet Explorer 10, or Internet Explorer 11 on Windows 7, Windows Server 2008 R2, Windows 8.1, Windows Server 2012 R2, or Windows RT 8.1 must first install the 3078071 update released on August 11, 2015 before installing the 3087985 update.
Note For Download Center customers:
If you download and install updates manually, you must first install update 3078071 before installing update 3087985. Failure to follow the install order can lead to degraded functionality.
https://technet.microsoft.com/library/security/MS15-093