Release Date:
September 13, 2022Version:
.NET Framework 3.5 and 4.8The September 13, 2022 update for Windows 10, version 20H2, Windows 10 Version 21H1, and Windows 10 Version 21H2 includes cumulative reliability improvements in .NET Framework 3.5 and 4.8. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections.
Summary
Security Improvements
This security update addresses an issue where an attacker could convince a local user to open a specially crafted file which could execute malicious code on an affected system. For more information please see CVE-2022-26929.
Quality and Reliability Improvements
Runtime |
- Addresses an issue regarding integer overflow exception in System.Windows.Forms.InputLanguage class. |
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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5017499 Description of the Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H1 (KB5017499)
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5017500 Description of the Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 (KB5017500)
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5017498 Description of the Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10, version 20H2 (KB5017498)
Known issues in this update
Microsoft is not currently aware of any issues in this update.
How to get this update
Install this update
Release Channel |
Available |
Next Step |
Windows Update and Microsoft Update |
Yes |
None. This update will be downloaded and installed automatically from Windows Update. |
Windows Update for Business |
Yes |
None. This update will be downloaded and installed automatically from Windows Update. |
Microsoft Update Catalog |
Yes |
To get the standalone package for this update, go to the Microsoft Update Catalog website. |
Windows Server Update Services (WSUS) |
Yes |
This update will automatically sync with WSUS if you configure Products and Classifications as follows: Product: Windows 10, version 20H2, Windows 10 Version 21H1, and Windows 10 Version 21H2 Classification: Security Updates |
File information
For a list of the files that are provided in this update, download the file information for cumulative update.
Prerequisites
To apply this update, you must have .NET Framework 3.5 or 4.8 installed.
Restart requirement
You must restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update.
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