Is there a secure way to change the password for the local administrator account on multiple machines?

Is there a secure way to change the password for the local administrator account on multiple Machines?

I was thinking to change the password for the local administrator account without scripting.

Then I found this way with GPP, nice.. esay to administrate

http://blogs.technet.com/b/jratsch/archive/2009/03/27/how-to-change-the-password-for-the-local-administrator-account-on-multiple-machines-the-easy-way-without-scripting.aspx

but it have an Exploit...so bad

Auto-Gpppassword.ps1
https://github.com/roo7break/PowerShell-Scripts/tree/master/auto-gpppassword/

I would like to not use script so what to do?

third party add-on

https://synergixdesk.zendesk.com/entries/23775318-Test-Scenario-Managing-Built-In-Administrator-Account-Password

or

We have SCCM 2012, use that to deploy an script that runs with a Schedule?

/SaiTech