The incident happened at about 03:00 on Saturday in Doon Way, Kirkintilloch.
It is understood that a 20-year-old man was taken to Glasgow Royal Infirmary for treatment.
Alloway Drive, which is near the scene of the assault, was closed between Doon Road and Burns Drive while investigations were carried out.
It has since reopened.
Police are investigating after a man was assaulted in a street in East Dunbartonshire.