The Register - Using Outlook? You should probably do some patching

It's 2018 and previewing an email can flash your privates at the world

Microsoft emitted a patch for all supported versions of Outlook on Patch Tuesday to prevent attackers harvesting credentials from users who simply preview a carefully crafted Rich Text (RTF) email.…

from The Register - Security http://go.theregister.com/feed/www.theregister.co.uk/2018/04/12/outlook_patch_preview_bug/