Microsoft has released an update for the System Center Endpoint Protection client.
May 2015 antimalware platform update for Endpoint Protection clients
The update are available from Windows update as explained here:
Anti-malware platform updates for Forefront Endpoint Protection/System Center Endpoint Protection will be released to Microsoft Update.
Newly deployed clients from Configuration Manager will need this update as well.
After installation a restart may be required.
Update offered from Windows Update:
This also means that the update is available for Configuration Manager clients:
After updating the client will report version 18.104.22.168
Before updating my client reported 22.214.171.124 which is the version from SCCM 2012 R2 SP1: