Microsoft recommends that partners first assess their own systems and networks and apply this security update, then reach out and follow up with their customers to assist them in securing their systems and networks to help ensure that their computers are protected from attempted criminal attacks..
“Put the oxygen mask on yourself first, then help others”
Take care of yourself first so that you can help to protect others. That’s why the first thing I patched was Yoda and Brianna (besides they make a great testing platform).
Patch yourself, then patch others.