The 2026 Joint European Conference on Networks and Communications & 6G Summit (EuCNC/6G Summit) is supported by the European Commission, being sponsored by the IEEE Communications Society (based on a multi-annual MoU) and technically co-sponsored by the European Association for Signal Processing (EURASIP) and the European Association on Antennas and Propagation (EurAAP). The conference focuses on all aspects of telecommunications ranging from 5G deployment and mobile IoT to 6G exploration and future communications systems and networks, including experimentation and testbeds, and applications and services. It brings together cutting-edge research and world-renown industries and businesses, globally attracting in the last years more than 900 delegates from more than 40 countries all over the world, to present and discuss the latest results, and an exhibition with around 70 exhibitors, for demonstrating the technology developed in the area, in particular within European Commission program