Applies to:
Microsoft .NET Framework 3.5.1 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework 4.7.2 Microsoft .NET Framework 4.8
REMINDER Windows Embedded 7 Standard and Windows Server 2008 R2 SP1 have reached the end of mainstream support and are now in extended security update (ESU) support.
Starting in July 2020, there will no longer be optional, non-security releases (known as "C" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the "B" or Update Tuesday release).
Verify that you have installed the required updates listed in the How to get this update section before installing this update.　
Customers who have purchased the Extended Security Update (ESU) for on-premises versions of these operating systems must follow the procedures in KB4522133 to continue receiving security updates after extended support ends on January 14, 2020.　For more information on ESU and which editions are supported, see KB4497181. For more information, see the ESU blog.
REMINDER All updates for .NET Framework 4.7.2, 4.7.1, 4.7, 4.6.2, 4.6.1, and 4.6 require that the d3dcompiler_47.dll update is installed. We recommend that you install the included d3dcompiler_47.dll update before you apply this update. For more information about the d3dcompiler_47.dll, see KB 4019990.
If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.
Summary
Security Improvements
CVE-2024-0056 – .NET Framework Security Feature Bypass Vulnerability This security update addresses a security feature bypass vulnerability detailed in CVE-2024-0056 .
CVE-2024-0057 – .NET Framework Security Feature Vulnerability This security update addresses a elevation of privilege vulnerability detailed in CVE-2024-0057.
CVE-2024-21312 – .NET Framework Denial of Service Vulnerability This security update addresses a denial of service vulnerability detailed in CVE-2024-21312 .
.NET Framework Remote Code Execution Vulnerability This security update addresses a remote code execution vulnerability to HTTP .NET remoting server channel chain.
Quality and Reliability Improvements
For a list of improvements that were released with this update, please see the article links in the Additional Information section of this article.
Known issues in this update
Microsoft is not currently aware of any issues in this update.
Additional information about this update
The following articles contain additional information about this update as it relates to individual product versions.
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5033899 Description of the Security and Quality Rollup for .NET Framework 3.5.1 for Windows Embedded 7 Standard and Windows Server 2008 R2 SP1 (KB5033899)
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5033907 Description of the Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Embedded 7 Standard and Windows Server 2008 R2 SP1 and Windows Server 2008 SP2 (KB5033907)
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5033916 Description of the Security and Quality Rollup for .NET Framework 4.8 for Windows Embedded 7 Standard and Windows Server 2008 R2 SP1 (KB5033916)
How to get this update
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Release Channel |
Available |
Next Step |
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Windows Update and Microsoft Update |
Yes |
None. This update will be downloaded and installed automatically from Windows Update. |
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Microsoft Update Catalog |
Yes |
To get the standalone package for this update, go to the Microsoft Update Catalog website. |
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Windows Server Update Services (WSUS) |
Yes |
This operating system update will offer, as applicable, and individual .NET Framework product updates will be installed. For more information about individual .NET Framework product updates see additional information about this update section. This update will automatically sync with WSUS if you configure as follows: Product: Windows Server 2008 R2 Service Pack 1, Windows Embedded Standard 7 Service Pack 1, Windows Embedded POSReady 7, Windows 7 Professional for Embedded Systems Classification: Security Updates |
How to obtain help and support for this update
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Help for installing updates: Windows Update FAQ
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Protect yourself online and at home: Windows Security support
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Local support according to your country: International Support
