CVE-2017-11939
Microsoft Office 2016 Click-to-Run (C2R) allows an information disclosure vulnerability due to the way Microsoft Office enforces DRM copy/paste permissions, aka "Microsoft Office Information Disclosure Vulnerability".
Date published : 2017-12-12
http://www.securityfocus.com/bid/102105
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11939