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Microsoft Security Update Summary for April 13, 2021
Issued: April 13, 2021
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This summary lists security updates released for April 13, 2021.
Complete information for the April 2021 security update release Can be found at <https://msrc.microsoft.com/update-guide/>.
Please note the following information regarding the security updates:
* For information regarding enabling Windows 10, version 1909 features, please see Windows 10, version 1909 delivery options: https://techcommunity.microsoft.com/t5/Windows-IT-Pro-Blog/Windows-10-version-1909-delivery-options/ba-p/1002660. Note that these versions of Windows 10 share a common core operating system with an identical set of system files: 1903 and 1909; 2004 and 20H2. They will also share the same security update KBs.
* Windows 10 updates are cumulative. The monthly security release includes all security fixes for vulnerabilities that affect Windows 10, in addition to non-security updates. The updates are available via the Microsoft Update Catalog: https://catalog.update.microsoft.com/v7/site/Home.aspx.
* For information on lifecycle and support dates for Windows 10 operating systems, please see the Windows Lifecycle Facts Sheet: https://support.microsoft.com/en-us/help/13853/windows-
lifecycle-fact-sheet).
* A list of the latest servicing stack updates for each operating system can be found in ADV990001: https://msrc.microsoft.com/update-guide/vulnerability/ADV990001. This list will be updated whenever a new servicing stack update is released. It is important to install the latest servicing stack update.
* In addition to security changes for the vulnerabilities, updates include defense-in-depth updates to help improve security-related features.
* Customers running Windows 7, Windows Server 2008 R2, or Windows Server 2008 need to purchase the Extended Security Update to continue receiving security updates. See https://support.microsoft.com/en-us/help/4522133/procedure-to-continue-receiving-security-updates for more information.
* There is a change coming with regards to Servicing Stack Updates. Please see Simplifying SSUs for more information.
Critical Security Updates
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Windows 10 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 10 Version 1607 for 32-bit Systems Windows 10 Version 1607 for x64-based Systems Windows 10 Version 1803 for 32-bit Systems Windows 10 Version 1803 for ARM64-based Systems Windows 10 Version 1803 for x64-based Systems Windows 10 Version 1809 for 32-bit Systems Windows 10 Version 1809 for ARM64-based Systems Windows 10 Version 1809 for x64-based Systems Windows 10 Version 1903 for 32-bit Systems Windows 10 Version 1903 for ARM64-based Systems Windows 10 Version 1903 for x64-based Systems Windows 10 Version 1909 for 32-bit Systems Windows 10 Version 1909 for ARM64-based Systems Windows 10 Version 1909 for x64-based Systems Windows 10 Version 2004 for 32-bit Systems Windows 10 Version 2004 for ARM64-based Systems Windows 10 Version 2004 for x64-based Systems Windows 10 Version 20H2 for 32-bit Systems Windows 10 Version 20H2 for ARM64-based Systems Windows 10 Version 20H2 for x64-based Systems Windows 8.1 for 32-bit systems Windows 8.1 for x64-based systems Windows RT 8.1 Windows Server 2012 Windows Server 2012 (Server Core installation) Windows Server 2012 R2 Windows Server 2012 R2 (Server Core installation) Windows Server 2016 Windows Server 2016 (Server Core installation) Windows Server 2019 Windows Server 2019 (Server Core installation) Windows Server, version 1803 (Server Core Installation) Windows Server, version 1909 (Server Core installation) Windows Server, version 2004 (Server Core installation) Windows Server, version 20H2 (Server Core Installation) Microsoft Exchange Server 2013 Cumulative Update 23 Microsoft Exchange Server 2016 Cumulative Update 19 Microsoft Exchange Server 2016 Cumulative Update 20 Microsoft Exchange Server 2019 Cumulative Update 8 Microsoft Exchange Server 2019 Cumulative Update 9 @azure/ms-rest-nodeauth Azure Sphere Raw Image Extension
VP9 Video Extensions
Important Security Updates
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Microsoft 365 Apps for Enterprise for 32-bit Systems Microsoft 365 Apps for Enterprise for 64-bit Systems Microsoft Access 2010 Service Pack 2 (32-bit editions) Microsoft Access 2010 Service Pack 2 (64-bit editions) Microsoft Access 2013 Service Pack 1 (32-bit editions) Microsoft Access 2013 Service Pack 1 (64-bit editions) Microsoft Access 2016 (32-bit edition) Microsoft Access 2016 (64-bit edition) Microsoft Excel 2010 Service Pack 2 (32-bit editions) Microsoft Excel 2010 Service Pack 2 (64-bit editions) Microsoft Excel 2013 RT Service Pack 1 Microsoft Excel 2013 Service Pack 1 (32-bit editions) Microsoft Excel 2013 Service Pack 1 (64-bit editions) Microsoft Excel 2016 (32-bit edition) Microsoft Excel 2016 (64-bit edition) Microsoft Office 2010 Service Pack 2 (32-bit editions) Microsoft Office 2010 Service Pack 2 (64-bit editions) Microsoft Office 2013 RT Service Pack 1 Microsoft Office 2013 Service Pack 1 (32-bit editions) Microsoft Office 2013 Service Pack 1 (64-bit editions) Microsoft Office 2016 (32-bit edition) Microsoft Office 2016 (64-bit edition) Microsoft Office 2019 for 32-bit editions Microsoft Office 2019 for 64-bit editions Microsoft Office 2019 for Mac Microsoft Office Online Server Microsoft Office Web Apps 2010 Service Pack 2 Microsoft Office Web Apps Server 2013 Service Pack 1 Microsoft Outlook 2010 Service Pack 2 (32-bit editions) Microsoft Outlook 2010 Service Pack 2 (64-bit editions) Microsoft Outlook 2013 RT Service Pack 1 Microsoft Outlook 2013 Service Pack 1 (32-bit editions) Microsoft Outlook 2013 Service Pack 1 (64-bit editions) Microsoft Outlook 2016 (32-bit edition) Microsoft Outlook 2016 (64-bit edition) Microsoft SharePoint Enterprise Server 2013 Service Pack 1 Microsoft SharePoint Enterprise Server 2016 Microsoft SharePoint Foundation 2010 Service Pack 2 Microsoft SharePoint Server 2010 Service Pack 2 Microsoft SharePoint Server 2019 Microsoft Word 2010 Service Pack 2 (32-bit editions) Microsoft Word 2010 Service Pack 2 (64-bit editions) Microsoft Word 2013 RT Service Pack 1 Microsoft Word 2013 Service Pack 1 (32-bit editions) Microsoft Word 2013 Service Pack 1 (64-bit editions) Microsoft Word 2016 (32-bit edition) Microsoft Word 2016 (64-bit edition) Microsoft Visual Studio 2015 Update 3 Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8) Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3) Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6) Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8) Visual Studio Code Visual Studio Code - GitHub Pull Requests and Issues Extension Visual Studio Code - Kubernetes Tools Visual Studio Code - Maven for Java Extension Azure DevOps Server 2019 Update 1 Azure DevOps Server 2019 Update 1.1 Azure DevOps Server 2019.0.1 Azure DevOps Server 2020 Azure DevOps Server 2020.0.1 Team Foundation Server 2015 Update 4.2 Team Foundation Server 2017 Update 3.1 Team Foundation Server 2018 Update 1.2 Team Foundation Server 2018 Update 3.2
Other Information
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