Research Study of a New Medicine (NNC9204-1706) in People With Overweight or Obesity

Inclusion Criteria: * Male or female, aged 18-55 years (both inclusive) at the time of signing informed consent. * Body mass index (BMI) between 25.0 and 39.9 kg/m\^2 (both inclusive) at screening. Overweight should be due to excess adipose tissue, as judged by the investigator. Exclusion Criteria: * Female subject who is of childbearing potential (pre-menopausal and not surgically sterilised) and is sexually active with male partner(s) who are not surgically sterilised (vasectomy) or who is not using highly effective contraceptive methods (Pearl Index less than 1%) combined with a highly effective method of contraception for their male partner(s) (e.g. condom with spermicide), or are pregnant, breast-feeding or intend to become pregnant. * Male subject who is not surgically sterilised (vasectomy) and is sexually active with female partner(s) and who is not using a highly effective method of contraception (such as condom with spermicide) combined with a highly effective method of contraception for their nonpregnant female partner(s) (Pearl Index less than 1%), and/or intend to donate sperm in the period from screening until 90 days following administration of the investigational medical product. * Any disorder which in the investigator's opinion might jeopardise subject's safety, evaluation of results, or compliance with the protocol.