Release Date:June 13, 2023
Version: .NET Framework 3.5 and 4.8
Note:
Revised Jun 15, 2023 to correct the wording of the known issue to X.509 certificate
Revised on Jun 20, 2023 to fix the link for CVE-2023-32030
The June 13, 2023 update for Azure Stack HCI, 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
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-2023-32030 - .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
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WPF1 |
- Addresses an issue to avoid ArgumentOutOfRangeException when ControlTemplate has two or more ItemsPresenter sharing a single ItemsCollection. - Addresses Null Reference Exception when ToolTip is visible property is overridden to be always be false. - Addresses Null Reference Exception reloading XPS document after adjusting column width for Datagrid and Gridview controls. - Addresses an issue where using IsReadOnly property of TextBox and RichTextBox in ControlTemplate.Triggers throws an exception. |
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SQL Connectivity |
- Addresses an issue where SQL connection created is not terminated by the library when this error is thrown or is leaked in the client application. |
1Windows Presentation Foundation (WPF)
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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5027544 Description of the Cumulative Update for .NET Framework 3.5 and 4.8 for Azure Stack HCI, version 21H2 (KB5027544)
Known issues in this update
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Symptom |
This update may impact how .NET Framework runtime imports X.509 certificates. For more information about this issue, see KB5025823 |
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Workaround |
To mitigate this issue, see KB5025823. |
How to get this update
Install 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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Windows Update for Business |
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. |
|
Windows Server Update Services (WSUS) |
Yes |
This individual .NET Framework product update will be installed, as applicable, by applying the operating system update. For more information about operating system updates see additional information about this update section. |
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
