This problem is not caused by fix for MS16-087. The problem is caused by an earlier change that was made to win32spl.dll which was included in the MS16-087 release.
How to get this update
Method 1: Windows Update
This update is available through Windows Update. For more information about how to run Windows Update, see How to get an update through Windows Update.
Method 2: Microsoft Update Catalog
Update replacement information
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Windows Server 2008
The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
Additional file information
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.