On May 9, Mai 2017 support for Windows 10 version 1507 (RTM version from 2015) ends with the last patches offered. Microsoft has also released a couple of security updates.
Here are a short overview, what has been updated. A list of all updates may be found in Security Portal. More details are released in separate blog posts.
Critical Security Updates
============================
Critical Adobe Flash Player
Critical Internet Explorer 10
Critical Internet Explorer 11
Critical Internet Explorer 9
Critical Microsoft Edge
Critical Microsoft Business Productivity Servers 2010
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 for Mac
Critical Microsoft Office Compatibility Pack Service Pack 3
Critical Microsoft Office for Mac 2011
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 Office Web Apps Server 2013
Critical Microsoft Office Online Server
Critical Microsoft Project Server 2013
Critical Microsoft SharePoint Enterprise Server 2016
Critical Microsoft SharePoint Foundation 2013 Service Pack 1
Critical Microsoft SharePoint Server 2010
Critical Microsoft SharePoint Foundation 2013
Critical Microsoft SharePoint Enterprise Server 2013
Critical Word Automation Services
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 Skype for Business 2016
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 10 Version 1703 for 32-bit Systems
Critical Windows 10 Version 1703 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)
Important Security Updates
============================
Important Microsoft .NET Framework 2.0 Service Pack 2
Important Microsoft .NET Framework 3.5
Important Microsoft .NET Framework 3.5.1
Important Microsoft .NET Framework 4.5.2
Important Microsoft .NET Framework 4.6
Important Microsoft .NET Framework 4.6.1
Important Microsoft .NET Framework 4.6.2
Important Microsoft .NET Framework 4.6/4.6.1
Similar articles:
Microsoft May 2017 patch day short over view
Updates May 2017 for Windows 7/8.1
Updates for Windows 10 (May 9, 2017)
Office Patchday May 2, 2017
Windows 10: What are dynamic updates?