"Internet Explorer 11 is the last major version of Internet Explorer. Internet Explorer 11 will continue receiving security updates and technical support for the lifecycle of the version of Windows on which it is installed."
IE is already a security hazard for users. IE doesn't support any of the content security policies implemented in other modern browsers, which makes its a target for every possible XSS scheme and what not.
https://docs.microsoft.com/en-us/lifecycle/faq/internet-expl...
"Internet Explorer 11 is the last major version of Internet Explorer. Internet Explorer 11 will continue receiving security updates and technical support for the lifecycle of the version of Windows on which it is installed."