Patch Wednesday Day (15/100) — Windows KB5037591 Patch

SecOps Solution
2 min readMay 15, 2024
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Windows KB5037591 Patch

Today, we focus on deploying a patch released by Microsoft on April 23, 2024 Cumulative Update Preview for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for x64 (KB5037591)

To check if this patch is relevant to you:

  • Go to Settings -> About -> Windows Specifications and check if your system is a Windows 11 with version number 23H2.

Patch Details

Patch Deployment with SecOps Patch Management

Manual Patch deployment

  1. You can either download the patch directly from the Microsoft catalog website. Make sure to check for the right patch version that you are downloading or a simpler and more accurate way could be to visit Patch Astra and search for “KB5037591
  2. Once the patch file is downloaded on your target machine, go ahead and double-click on the .msu package. Since this update is .msu based update, this action will open “Windows Update Standalone Installer”, now you just have to proceed and install the patch on your system.
  3. Once the patches are applied, it will prompt you to restart your computer to complete the installation.
  4. After the restart, the patch has been successfully deployed on your system.

Important Note:

  1. There are several key things to remember while deploying a patch. It is crucial to download the correct patch file that has been released for your system’s architecture, Operating System, and Build Version
  2. It is crucial that you follow the right process or supply the correct commands while installing the patch
  3. Understand if the patch requires a reboot of the system or not. If yes make sure to perform a reboot securely to avoid system corruption

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