The incident happened in Englands Lane (credit: Google Street Maps)
A man reportedly assaulted the victim and caused damage to her vehicle, in Englands Lane at around 8.20pm on Saturday, 7 November.
Police are appealing for anyone with information to come forward.
A spokesperson for Essex Police said: “In particular, we are looking for a family with two children who we believe witnessed the incident and may have information which will be important to the investigation.
“If you saw anything, have any CCTV, dash cam or Ring doorbell footage, or any other information, please call us on 101 quoting the crime reference number 42/183191/20.
“You can also report information via our digital 101 service on our website.
“Alternatively, you can call Crimestoppers 100 percent anonymously on 0800 555 111.”
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Tags: Essex, Loughton