The host is installed with Microsoft Lync 2010, Microsoft Skype For business 2016, Microsoft Skype For Business Basic 2016, Microsoft Lync Basic 2013, Microsoft Lync 2010 Attendee, Microsoft live meeting 2007, Microsoft Live Meeting 2007 Add-In, Microsoft Office 2007, Microsoft Office 2010 or Word Viewer and is prone to a graphics memory corruption vulnerability. A flaw is present in the Windows font library, which improperly handles specially crafted embedded fonts. An attacker who successfully exploited these vulnerabilities could install programs; view, change, or delete data; or create new accounts with full user rights.