Paranoia speaks:
"Redmond's new Edge browser is not impacted."
I wonder why?
http://m.theregister.co.uk/2015/08/17/microsoft_replaces_windows_10_patch_update_wont_say_why/
Not that I actually believe that, but it does hint that there might be a "Vulnerability? What vulnerability?", as the updates silently churn in the background, type scenario coming.