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)