Microsoft has released an update for the System Center Endpoint Protection client.
The update are available from Windows update as explained here:
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 22.214.171.124
Before updating my client reported 126.96.36.199 which is the version from SCCM 2012 R2 SP1: