Please note that Microsoft announced that the extended support for Windows 7 will be ceased on 14 January 2020 and no security updates will be provided after that. Users should arrange should arrange upgrading the Windows to Windows 10 or migrating to other supported technology.
Microsoft Internet Explorer 9, 10, 11
Microsoft Windows 7, 8.1, RT 8.1, 10
Microsoft Windows Server 2008, 2008 R2, 2012, 2012 R2, 2016, 2019
Microsoft Windows Server, version 1803, version 1903
Microsoft Office 2010, 2013, 2013 RT, 2016, 2016 for Mac, 2019, 2019 for Mac
Microsoft Excel 2010, 2013, 2013 RT, 2016
Microsoft Office 365 ProPlus
Microsoft Office Online Server
Microsoft SharePoint Enterprise Server 2013, 2016
Microsoft SharePoint Foundation 2010, 2013
Microsoft SharePoint Server 2019
Microsoft Dynamics 365
Microsoft SQL Server Management Studio 18.3, 18.3.1
Azure App Service on Azure Stack
Open Enclave SDK
A complete list of the affected products can be found at: https://portal.msrc.microsoft.com/en-us/security-guidance
Depending on the vulnerability exploited, a successful attack could lead to remote code execution, information disclosure, spoofing, tampering, elevation of privilege, denial of service and security feature bypass.
Patches for affected products are available from the Windows Update / Microsoft Update Catalog. Users of affected systems should follow the recommendations provided by the product vendor and take immediate actions to mitigate the risk.