Officials said the scene unfolded in the 4100 block of Soaring Elm Street in the Atascocita area just before 1:30 p.m.
Pct. 4 officials said that someone called and said a person had been stabbed in the stomach and that she needed help.
EMS officials noted that the woman's injuries were not life-threatening, but it was clear that she didn't cause the injuries to herself.
Investigators did not elaborate on a possible suspect or a motive.
Officials asked all to stay clear of the area as the investigation continues.