June 13, 2023 - KB5027538 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

Summary

This article describes the Cumulative Update for 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2.

Security Improvements

CVE-2023-24897 - .NET Framework Remote Code Execution Vulnerability
This security update addresses a vulnerability in the MSDIA SDK where corrupted PDBs can cause heap overflow, leading to a crash or remove code execution. For more information see CVE 2023-24897.

CVE-2023-29326 - .NET Framework Remote Code Execution Vulnerability
This security update addresses a vulnerability in WPF where the BAML offers other ways to instantiate types that leads to an elevation of privilege. For more information see CVE-2023-29326.

CVE-2023-24895 - .NET Framework Remote Code Execution Vulnerability
This security update addresses a vulnerability in the WPF XAML parser where an unsandboxed parser can lead to remote code execution. For more information see CVE-2023-24895.

CVE-2023-24936 - .NET Framework Elevation of Privilege Vulnerability
This security update addresses a vulnerability in bypass restrictions when deserializing a DataSet or DataTable from XML, leading to an elevation of privilege. For more information see CVE-2023-24936.

CVE-2023-29331 - .NET Framework Denial of Service Vulnerability
This security update addresses a vulnerability where the AIA fetching process for client certificates can lead to denial of service. For more information see CVE 2023-29331.

CVE-2023-29330 - .NET Framework Denial of Service Vulnerability
This security update addresses a vulnerability where X509Certificate2 file handling can lead to denial of service. For more information see CVE 2023-32030.

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.

• 5027122 Description of the Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 and Windows 10 Version 22H2 (KB5027122)
• 5027117 Description of the Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 and Windows 10 Version 22H2 (KB5027117)

How to get 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 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 10 Version 22H2 Classification: Security Updates

Source:

• https://support.microsoft.com/en-us/...3-814a192b1242
• https://devblogs.microsoft.com/dotne...uality-rollup/

Posted By: Brink
13 Jun 2023