I have a custom User Profile that has read-only access to Account fields, but I would like to make a custom button on Account detail page, that allows these Users specifically edit address fields (Street, City, Postal Code etc.) bypassing these read-only field permissions using only configuration and not using Apex code or VF pages or URL hacking. Any suggestions?
Only Trigger or APEX code can run on system mode and override the CRUD settings. To achieve this requirement you need some custom code not possible only through configuration.