LAPD said a man in his 70s crashed through her front gate around 12:20 p.m. A private security guard pulled him out of the vehicle and detained him until police arrived.
The man was taken into custody, though LAPD said it may have been an accident.
The investigation into the incident and the man's potential motive is ongoing.
LAPD confirmed that Aniston was home when it happened.
This is a developing story. Please check back for updates.