During our monthly patching, our patch engineer installed SharePoint security updates accidentally on SharePoint which were part of SharePoint 2013 Jan 2019 CU. Its been a week since it is been installed and it is on Prod. Since Jan 19 CU is very latest and hence we dont want to take a risk of installing them on Prod straight away.
What could be the best remediation plan here? (Is it a good idea to install the same security updates on staging and test application, by doing so we might spoil staging farm intentionally.) or wait for some months and go for a complete CU install.