Microsoft has release quite a bit of security updates today so do certainly check your systems for updates. Source: https://portal.msrc.microsoft.com/en-us/security-guidance
The list as follows:
Critical Security Updates ============================ Critical Adobe Flash Player Critical Internet Explorer 9 Critical Internet Explorer 10 Critical Internet Explorer 11 Critical Microsoft Edge Critical Microsoft Office 2007 Service Pack 3 Critical Microsoft Office 2010 Service Pack 2 (32-bit editions) Critical Microsoft Office 2010 Service Pack 2 (64-bit editions) Critical Microsoft Office 2013 RT Service Pack 1 Critical Microsoft Office 2013 Service Pack 1 (32-bit editions) Critical Microsoft Office 2013 Service Pack 1 (64-bit editions) Critical Microsoft Office 2016 (32-bit edition) Critical Microsoft Office 2016 (64-bit edition) Critical Microsoft Office 2016 Click-to-Run (C2R) for 32-bit editions Critical Microsoft Office 2016 Click-to-Run (C2R) for 64-bit editions Critical Microsoft Office Compatibility Pack Service Pack 3 Critical Microsoft Office Web Apps 2010 Service Pack 2 Critical Microsoft Office Web Apps 2013 Service Pack 1 Critical Microsoft Office Word Viewer Critical Microsoft Excel 2013 RT Service Pack 1 Critical Microsoft Outlook 2007 Service Pack 3 Critical Microsoft Outlook 2010 Service Pack 2 (32-bit editions) Critical Microsoft Outlook 2010 Service Pack 2 (64-bit editions) Critical Microsoft Outlook 2013 RT Service Pack 1 Critical Microsoft Outlook 2013 Service Pack 1 (32-bit editions) Critical Microsoft Outlook 2013 Service Pack 1 (64-bit editions) Critical Microsoft Outlook 2016 (32-bit edition) Critical Microsoft Outlook 2016 (64-bit edition) Critical Microsoft Outlook 2016 for Mac Critical Microsoft PowerPoint 2007 Service Pack 3 Critical Microsoft PowerPoint 2013 RT Service Pack 1 Critical Microsoft PowerPoint 2016 for Mac Critical Microsoft PowerPoint for Mac 2011 Critical Microsoft Project Server 2013 Service Pack 1 Critical Microsoft SharePoint Enterprise Server 2013 Service Pack 1 Critical Microsoft SharePoint Enterprise Server 2016 Critical Microsoft SharePoint Server 2007 Service Pack 3 (32-bit editions) Critical Microsoft SharePoint Server 2013 Service Pack 1 Critical Microsoft Word 2007 Service Pack 3 Critical Microsoft Word 2010 Service Pack 2 (32-bit editions) Critical Microsoft Word 2010 Service Pack 2 (64-bit editions) Critical Microsoft Word 2013 RT Service Pack 1 Critical Microsoft Word 2013 Service Pack 1 (32-bit editions) Critical Microsoft Word 2013 Service Pack 1 (64-bit editions) Critical Microsoft Word 2016 (32-bit edition) Critical Microsoft Word 2016 (64-bit edition) Critical Microsoft Word 2016 for Mac Critical Microsoft Word for Mac 2011 Critical Skype for Business 2016 (32-bit) Critical Skype for Business 2016 (64-bit) Critical Microsoft Lync 2013 Service Pack 1 (32-bit) Critical Microsoft Lync 2013 Service Pack 1 (64-bit) Critical Microsoft Silverlight 5 Developer Runtime when installed on Microsoft Windows (32-bit) Critical Microsoft Silverlight 5 Developer Runtime when installed on Microsoft Windows (x64-based) Critical Microsoft Silverlight 5 when installed on Microsoft Windows (32- bit) Critical Microsoft Silverlight 5 when installed on Microsoft Windows (x64- based) Critical Windows 7 for 32-bit Systems Service Pack 1 Critical Windows 7 for x64-based Systems Service Pack 1 Critical Windows 8.1 for 32-bit systems Critical Windows 8.1 for x64-based systems Critical Windows RT 8.1 Critical Windows 10 for 32-bit Systems Critical Windows 10 for x64-based Systems Critical Windows 10 Version 1511 for 32-bit Systems Critical Windows 10 Version 1511 for x64-based Systems Critical Windows 10 Version 1607 for 32-bit Systems Critical Windows 10 Version 1607 for x64-based Systems Critical Windows Server 2008 for 32-bit Systems Service Pack 2 Critical Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) Critical Windows Server 2008 for Itanium-Based Systems Service Pack 2 Critical Windows Server 2008 for x64-based Systems Service Pack 2 Critical Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) Critical Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 Critical Windows Server 2008 R2 for x64-based Systems Service Pack 1 Critical Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) Critical Windows Server 2012 Critical Windows Server 2012 (Server Core installation) Critical Windows Server 2012 R2 Critical Windows Server 2012 R2 (Server Core installation) Critical Windows Server 2016 Critical Windows Server 2016 (Server Core installation)