A web browser should *NEVER* be able to look inside your clipboard without an explicit user action (such as ctrl-v). Honestly, this should not be a controversial statement. Microsoft Edge is one of the browsers that ships this dangerous capability. Here is the dialog you need to hunt for to turn this API off.
@torgo I consider #MicrosoftEdge and #Windows as #malware for shit like this and the option to basically load malicious SSL certs with a single HTTPS request...