Microsoft Security Update Summary (May 10, 2022)

Update[German]On May 10, 2022, Microsoft released security updates for Windows clients and servers, for Office, etc. – as well as for other products – were released. Below is a compact overview of these updates that were released on Patchday. The May 2022 security updates address 75 vulnerabilities, three of which are 0-day, in Microsoft products. Vulnerabilities in the Printer Spooler are also included again. At the same time, remember that Windows 10 1909 and 20H2 will receive security updates for the last time and will fall out of support (see Windows 10: Version 1909 and 20H2 reaching end of support on May 10, 2022).


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A list of updates can be found on this Microsoft page. Details on update packages for Windows, Office, etc. are available in separate blog posts.

Notes on the updates

Windows 10 version 20H2 to 21H2 use a common core and have an identical set of system files. Therefore, the same security update will be delivered for these Windows 10 versions. Information on how to enable the features of Windows 10, which is done through an Enablement Package update, can be found in this Techcommunity post.

All Windows 10 updates are cumulative. The monthly Patchday update includes all security fixes for Windows 10 and all non-security fixes up to Patchday. In addition to vulnerability security patches, the updates include security enhancement measures. Microsoft is integrating the Servicing Stack Updates (SSUs) into the Latest Cumulative Updates (LCUs) for newer versions of Windows 10. A list of the latest SSUs can be found at ADV990001 (although the list is not always up-to-date).

Windows 7 SP1 is no longer supported as of January 2020. Only customers with a 3rd year ESU license (or bypass measures) will still receive updates. With the current ESU bypass lets install the update. Updates can also be downloaded from the Microsoft Update Catalog. The updates for Windows RT 8.1 and Microsoft Office RT are only available via Windows Update.

Fixed vulnerabilities

The May 2022 security updates fix 75 vulnerabilities, three of which are 0-day, in Microsoft products. A list of all covered CVEs can be found on this Microsoft page. Tenable also has this blog post with an overview – the following critical updates are included in May 2022.


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Below is the list of critical and important security updates – details of which will be reported in separate blog posts.

Critical Security Updates

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 1809 for 32-bit Systems
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 1809 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 20H2 for 32-bit Systems
Windows 10 Version 20H2 for ARM64-based Systems
Windows 10 Version 20H2 for x64-based Systems
Windows 10 Version 21H1 for 32-bit Systems
Windows 10 Version 21H1 for ARM64-based Systems
Windows 10 Version 21H1 for x64-based Systems
Windows 10 Version 21H2 for 32-bit Systems
Windows 10 Version 21H2 for ARM64-based Systems
Windows 10 Version 21H2 for x64-based Systems
Windows 11 for ARM64-based Systems
Windows 11 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 2022
Windows Server 2022 (Server Core installation)
Windows Server, version 20H2 (Server Core Installation)
Remote Desktop client for Windows Desktop

Important Security Updates

Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft 365 Apps for Enterprise for 64-bit Systems
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 2019 for 32-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office Online Server
Microsoft Office Web Apps Server 2013 Service Pack 1
Microsoft Publisher 2013 Service Pack 1 (32-bit editions)
Microsoft Publisher 2013 Service Pack 1 (64-bit editions)
Microsoft Publisher 2016 (32-bit edition)
Microsoft Publisher 2016 (64-bit edition)
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Foundation 2013 Service Pack 1
Microsoft SharePoint Server 2019
Microsoft SharePoint Server Subscription Edition
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 2017 version 15.9 (includes 15.0 – 15.8)
Microsoft Visual Studio 2019 version 16.11 (includes 16.0 – 16.10)
Microsoft Visual Studio 2019 version 16.9 (includes 16.0 – 16.8)
Microsoft Visual Studio 2022 version 17.0
Microsoft Visual Studio 2022 version 17.1
Visual Studio Code
.NET 5.0
.NET 6.0
.NET Core 3.1
Microsoft Exchange Server 2013 Cumulative Update 23
Microsoft Exchange Server 2016 Cumulative Update 22
Microsoft Exchange Server 2016 Cumulative Update 23
Microsoft Exchange Server 2019 Cumulative Update 11
Microsoft Exchange Server 2019 Cumulative Update 12

Low Security Updates

Microsoft .NET Framework 2.0 Service Pack 2
Microsoft .NET Framework 3.0 Service Pack 2
Microsoft .NET Framework 3.5
Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2
Microsoft .NET Framework 3.5 AND 4.7.2
Microsoft .NET Framework 3.5 AND 4.8
Microsoft .NET Framework 3.5.1
Microsoft .NET Framework 4.6
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2
Microsoft .NET Framework 4.8

Similar articles:
Microsoft Office Updates (May 3, 2022)
Microsoft Security Update Summary (May 10, 2022)
Patchday: Windows 10-Updates (May 10, 2022)
Patchday: Windows 11/Server 2022-Updates (May 10, 2022)
Windows 7/Server 2008R2; Windows 8.1/Server 2012R2: Updates (May 10, 2022)
Patchday: Microsoft Office Updates (May 10, 2022)


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