CVE-2018-8310
A tampering vulnerability exists when Microsoft Outlook does not properly handle specific attachment types when rendering HTML emails, aka "Microsoft Office Tampering Vulnerability." This affects Microsoft Word, Microsoft Office.
Date published : 2018-07-10
http://www.securityfocus.com/bid/104615
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8310