The woman had her vehicle stolen early yesterday morning
A grey Audi A1 was taken from the victim in Station Way at around 2.30am on Sunday 4 August.
It is believed she was approached by a group of five people, all dressed in black and wearing masks with a skull design on.
She was threatened with what have been described as samurai swords, and had her car stolen.
Essex Police has asked for anyone with dashcam footage and other witnesses to contact them on 101, quoting incident 185 of 4 August, or call Crimestoppers anonymously on 0800 555 111.
Tags: Buckhurst Hill, Epping Forest