Just in case any of you have seen this:
Release All-in-one patch script for KB4012218, KB4012219, KB4015546, KB4015547, KB4015549, KB4015550, KB4015552, KB4015553, KB4019215, KB4019217, KB4019264, KB4019265 · zeffy/kb4012218-19 · GitHub
That's the workaround. It works, but will have to get...