Today, we are releasing the February 2023 Security and Quality Rollup Updates for .NET Framework.
Security
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.
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.
Quality and Reliability
- Addresses an issue in propagation of ElementHost controls Visible property to underlying HwndWrapper.
- Addresses an issue that restores System.Windows.Controls.VirtualizingStackPanel scrolling behavior for CollectionChange event.
- Addresses an issue to ignore Win32LastError when calling GetWindowText and GetWindowTextLength methods.
- Addresses an issue to allow override the control to always have IsOpen property set to false for third party library created class using the ToolTip class as the base.
Networking
- Addresses an issue in the Socket.EndReceiveFrom method that may lead to AccessViolationException in rare scenarios.
1 Windows Presentation Foundation (WPF)
Getting the Update
The Security and Quality Rollup is available via Windows Update, Windows Server Update Services, and Microsoft Update Catalog. The Security Only Update is available via Windows Server Update Services and Microsoft Update Catalog.
Note: Customers that rely on Windows Update and Windows Server Update Services will automatically receive the .NET Framework version-specific updates. Advanced system administrators can also take use of the below direct Microsoft Update Catalog download links to .NET Framework-specific updates. Before applying these updates, please ensure that you carefully review the .NET Framework version applicability, to ensure that you only install updates on systems where they apply.
The following table is for Windows 10, version 1507 and Windows Server 2016 versions and newer operating systems.
| Product Version | Cumulative Update | |
|---|---|---|
| Windows 11, version 22H2 | ||
| .NET Framework 3.5, 4.8.1 | Catalog | 5022497 |
| Windows 11, version 21H2 | 5022730 | |
| .NET Framework 3.5, 4.8 | Catalog | 5022505 |
| .NET Framework 3.5, 4.8.1 | Catalog | 5022499 |
| Microsoft server operating system, version 22H2 | 5022726 | |
| .NET Framework 3.5, 4.8 | Catalog | 5022507 |
| Microsoft server operating system version 21H2 | 5022735 | |
| .NET Framework 3.5, 4.8 | Catalog | 5022507 |
| .NET Framework 3.5, 4.8.1 | Catalog | 5022501 |
| Windows 10 Version 22H2 | 5022729 | |
| .NET Framework 3.5, 4.8 | Catalog | 5022502 |
| .NET Framework 3.5, 4.8.1 | Catalog | 5022498 |
| Windows 10 Version 21H2 | 5022728 | |
| .NET Framework 3.5, 4.8 | Catalog | 5022502 |
| .NET Framework 3.5, 4.8.1 | Catalog | 5022498 |
| Windows 10 Version 20H2 | 5022727 | |
| .NET Framework 3.5, 4.8 | Catalog | 5022502 |
| .NET Framework 3.5, 4.8.1 | Catalog | 5022498 |
| Windows 10 1809 (October 2018 Update) and Windows Server 2019 | 5022782 | |
| .NET Framework 3.5, 4.7.2 | Catalog | 5022511 |
| .NET Framework 3.5, 4.8 | Catalog | 5022504 |
| Windows 10 1607 (Anniversary Update) and Windows Server 2016 | ||
| .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2 | Catalog | 5022838 |
| .NET Framework 4.8 | Catalog | 5022503 |
| Windows 10 1507 | ||
| .NET Framework 3.5, 4.6, 4.6.2 | Catalog | 5022858 |
The following table is for earlier Windows and Windows Server versions.
| Product Version | Security and Quality Rollup | Security Only Update | ||
|---|---|---|---|---|
| Windows Embedded 8.1 and Windows Server 2012 R2 | 5022733 | 5022785 | ||
| .NET Framework 3.5 | Catalog | 5022525 | Catalog | 5022531 |
| .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 | Catalog | 5022513 | Catalog | 5022524 |
| .NET Framework 4.8 | Catalog | 5022508 | Catalog | 5022516 |
| Windows Embedded 8 and Windows Server 2012 | 5022732 | 5022784 | ||
| .NET Framework 3.5 | Catalog | 5022574 | Catalog | 5022575 |
| .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 | Catalog | 5022512 | Catalog | 5022522 |
| .NET Framework 4.8 | Catalog | 5022506 | Catalog | 5022514 |
| Windows Embedded 7 Standard and Windows Server 2008 R2 SP1 | 5022731 | 5022783 | ||
| .NET Framework 3.5.1 | Catalog | 5022523 | Catalog | 5022530 |
| .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 | Catalog | 5022515 | Catalog | 5022526 |
| .NET Framework 4.8 | Catalog | 5022509 | Catalog | 5022520 |
| Windows Server 2008 | 5022734 | 5022786 | ||
| .NET Framework 2.0, 3.0 | Catalog | 5022521 | Catalog | 5022529 |
| .NET Framework 4.6.2 | Catalog | 5022515 | Catalog | 5022526 |
Previous Monthly Rollups
The last couple .NET Framework monthly updates are listed below for your convenience:
"Addresses an issue that restores VirtualizingScrollPanel scrolling behavior for CollectionChange event."
I don't see a "VirtualizingScrollPanel" class in Windows Forms or Windows Presentation Foundation. Do you mean System.Windows.Controls.VirtualizingStackPanel?
"Addresses Null Reference Exception when ToolTip is visible property is overridden to be always be false."
Which property do you mean? The System.Windows.Controls.ToolTip class does not have a "Visible" or "IsVisible" property. There is the ToolTipService.IsOpen attached property but I don't understand how one could override that to always be...
Hi Kalle,
Thank you for your feedback. We have updated the wording of the fix.