Applies to:
Microsoft .NET Framework 3.5 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
Note:Â Revised on Jun 20, 2023 to add resolution to known issue.
REMINDER
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As a reminder to advanced IT administrators, updates to .NET Framework 3.5 for Windows Embedded 8.1 and Windows Server 2012 R2 should only be applied on systems where .NET Framework 3.5 is present and enabled. Customers who attempt to pre-install updates to .NET Framework 3.5 to offline images that do not contain the .NET Framework 3.5 product enabled will expose these systems to failures to enable .NET Framework 3.5 after the systems are online. For more extensive information about deploying .NET Framework 3.5, see Microsoft .NET Framework 3.5 Deployment Considerations.
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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
CVE-2023-21808 - .NET Framework Remote Code Execution Vulnerability This security update addresses a vulnerability in the MSDIA SDK where an untrusted pointer dereference can cause memory corruption, leading to a crash or remove code execution. For more information please see CVE-2023-21808.
CVE-2023-21722 - .NET Framework Denial of Service Vulnerability This security update addresses a vulnerability where the Visual Studio WMI Setup Provider Installer can be used by a low level, local attacker to corrupt local files that SYSTEM can writ to, leading to a potential denial of service. For more information please see CVE-2023-21722.
Known issues in this update
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Symptom |
After installing this update, WPF apps may have a change in behavior. For more information about this issue, see KB5022083 |
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Workaround |
To mitigate this issue, see KB5022083. |
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Resolution |
This issue has been resolved in the June 13, 2023 Security and Quality Rollup and Cumulative Update. If you used any workaround or mitigations for this issue, they are no longer needed, and we recommend you remove them. To remove workaround review the workaround or alternative workaround which was applied for instructions. The workaround should be removed prior to installing the June 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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5022531 Description of the Security Only Update for .NET Framework 3.5 for Windows Embedded 8.1 and Windows Server 2012 R2 (KB5022531)
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5022524 Description of the Security Only Update for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Embedded 8.1 and Windows Server 2012 R2 (KB5022524)
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5022516 Description of the Security Only Update for .NET Framework 4.8 for Windows Embedded 8.1 and Windows Server 2012 R2 (KB5022516)
How to get this update
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Release Channel |
Available |
Next Step |
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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 2012 R2, Windows Embedded 8.1 Industry Enterprise, Windows Embedded 8.1 Industry Pro 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
