KB4578968 – Windows 10 2004 .NET Framework 4.8, 3.5

Microsoft introduces Oct 2020 security updates for almost all versions of Windows i.e. 10, 8.1, and 7. They even release a .NET Framework update KB4578968 to improve the way it handles objects in the system’s memory. Windows 10 version 2004/2009 or Server 20H1/20H2 users may download and install this cumulative update to make their PC up to date and secure.  

You may download KB4578968 via Windows update or visit the Update Catalog site to download and install the standalone package (.msu file). Let’s explore what came along with this patch in detail –


KB4578968 .NET Framework 4.8, 3.5 Changelog

Whenever .NET Framework improperly handles objects inside the memory, there arises a vulnerability on the device. Hackers may exploit this vulnerability to access the contents of an affected system’s memory. All they require is to run a specially crafted application on such computers. Installing the KB4578968 patch will correct and secure the handling objects process by .NET Framework. To know more, read CVE-2020-16937.

Note: Microsoft is not aware of any known issues on this cumulative update. 

Download and Install KB4578968 .NET Framework

Normally, the whole process completes by itself via Windows Update, and there appears a prompt asking to reboot the PC. However, if that’s not the case, you may do any of the following –

1] Microsoft Update Catalog

This is a pretty simple process. Just go to the Update Catalog Site (link provided below) and click the Download button next to the patch id resembling your system architecture i.e. 32-bit, 64-bit, or ARM64.

2] Through Windows Update

Or, you may force search for the updates through the Windows Settings. 

  • Navigate to – Settings > Update & Security > Windows Update, and click Check for Updates.
  • The system will then search for any pending .NET Frameworks online. If this finds any update, this will download and install the same. 
  • When the installation completes, Restart Windows to incorporate the above changes.