Microsoft Office 2010 SP2, Microsoft Office 2013 SP1 and RT SP1, Microsoft Office 2016, and Microsoft Office 2016 Click-to-Run (C2R) allow an information disclosure vulnerability, due to how Office initializes the affected variable, aka "Microsoft Office Information Disclosure Vulnerability".
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0853