The key is being read from HKCU. That hive is ACLed to you. You don't need admin to read it, but it also isn't a privilege escalation of any sort since it's you

The key is being read from HKCU. That hive is ACLed to you. You don't need admin to read it, but it also isn't a privilege escalation of any sort since it's your hive to read in the first place.