bleepingcomputer[.]com/news/security/hackers-exploiting-acrobat-reader-zero-day-flaw-since-december/
If you open a specially engineered PDF file using Acrobat Reader the cyber criminal may be able to take over your entire system. Edge also uses the Acrobat Reader -- I could not determine if it shares the same vulnerability, but will not use Edge for PDFs personally just in case.