Microsoft Edge Flaw Lets Hackers Steal Local Files August 02, 2018 https://www.bleepingcomputer.com/news/security/microsoft-edge-flaw-lets-hackers-steal-local-files/
What a joke, that's why it's important to use a folder protection tool, browsers should not have access to the full file system. For example, Sandboxie and SpyShelter give the ability to block folder access.