Microsoft Edge/IEに重大なバグ？

下記の記事が出ている。

　Google reports “high-severity” bug in Edge/IE, no patch available
　ars technica: February 28, 2017
　https://arstechnica.com/security/2017/02/high-severity-vulnerability-in-edgeie-is-third-unpatched-msft-bug-this-month/

　Google's Project Zero reveals another Microsoft flaw
　Register: 27 February, 2017
　https://www.theregister.co.uk/2017/02/27/google_project_zero_reports_flaw_in_ie_edge/