KB5022303 and KB5022287 Windows 11 Security Update

Microsoft has released KB5022303 and KB5022287 security updates for Windows 11, addressing issues that affect the Local Session Manager (LSM) and apps using Microsoft Open Database Connectivity (ODBC) SQL Server Driver (sqlsrv32.dll). Specifically, KB5022303 applies to OS Build 22621.1105 for Windows 11 22H2 users, while KB5022287 applies to OS Build 22000.1455 for 21H2 users.

Installing this update will help protect your computer by providing additional security measures against malicious attackers who may attempt to exploit these known issues. This article discusses how to install this cumulative update and provides more information on the potential risks they address.

Download Windows 11 KB5022303

How to Get KB5022303 and KB5022287 Security Update

In order to ensure your system remains secure and up-to-date with the latest security updates, it is important to download and install the Security Update. Here’s how to do this:

1] Using Windows Update

  • Press the Windows + I keys to open the Settings app.
  • From the left, click Windows Updates.
  • Then click on the Check for updates button and the update should start downloading automatically.

After downloading it, click “Restart Now” to install the update immediately, or schedule the installation for a time that works best for you. Once your computer restarts, you can then open the Settings app again, click on Update & Security and then select the option to “Check for Updates” again. The update should now show as “You’re up to date.”

2] Microsoft Update Catalog

When the automatic search doesn’t locate a patch, you can manually search the Microsoft Update Catalog. Here are the steps you need to follow:

  • Visit the Microsoft Update Catalog.
  • In the text field, type KB5022303 or KB5022287, as required.
  • Click on the Download button after selecting your system’s architecture (x86, ARM64, x64
  • Once you have downloaded the .MSU file, install it

KB5022303 Changelog

The security update includes improvements and fixes to protect against malicious attacks as well as to further enhance system stability. It also resolves a problem that could cause a disconnection of applications using the ODBC SQL Server Driver sqlsrv3.dll, resulting in application crashes and data loss on affected systems.

This update resolves an issue that could affect some Windows devices’ startup. In this case, you may have a blue screen and receive an error code (0xc000021a).

It is important for both users and developers relying on their software products to make sure they are secure from malicious attacks and data corruption from vulnerabilities present in previous versions of Windows 11 OS.

KB5022303 Known Issues

Issue 1:

When you install this update, you might not be able to use provisioning packages on Windows 11, version 22H2 (also called Windows 11 2022 Update). It is possible that Windows is only partially configured, or that the Out Of The Box Experience fails or restarts unexpectedly.

Workaround

Provisioning the Windows device will prevent this issue if you upgrade to version 22H2 of Windows 11. The issue is currently being investigated, and an update will follow shortly.

Issue 2: 

It may take longer than expected for Windows 11, version 22H2 to copy large multiple Gigabyte (GB) files. This issue usually occurs when copying files from a network share via Server Message Block (SMB) to Windows 11, version 22H2, but local file copies may also be affected.

Workaround

In order to avoid this issue, you could use a file copy tool that does not rely on the cache manager (buffering I/O).

Source – KB5022303 and KB5022287

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