UPDATE 6/27: KB5011048 Cumulative Update .NET Framework 4.8.1 for Windows 10 and 11

June 22, 2023 - KB5028574 Update for .NET Framework 4.8.1 for Windows 10 Version 21H2 and Windows 10 Version 22H2

The June 22, 2023 update for Windows 10 Version 21H2 and Windows 10 Version 22H2 includes improvements in .NET Framework 4.8.1. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections.

Summary

Security Improvements
There are no new security improvements in this release.

Quality and Reliability Improvements

CLR1

This update addresses a change that affects how you use the X509Certificate, X509Certificate2, or X509Certificate2Collection classes. When you use them to import a PKCS#12 blob that contains a private key, the calling application might get an exception. The exception message is, “System.Security.Cryptography.CryptographicException: PKCS12 (PFX) without a supplied password has exceeded maximum allowed iterations. See https://go.microsoft.com/fwlink/?linkid=2233907 for more information.” To learn more, seeKB5028608.

₁Common Language Runtime (CLR)

Known issues in this update

Microsoft is not currently aware of any issues in this update.

How to get this update

Install this update

Release Channel	Available	Next Step
Windows Update and Microsoft Update	No	See the other options below.
Windows Update for Business	No	See the other options below.
Microsoft Update Catalog	Yes	To get the standalone package for this update, go to the Microsoft Update Catalog website.
Windows Server Update Services (WSUS)	No	You can import this update into WSUS manually. See the Microsoft Update Catalog for instructions.

File information

For a list of the files that are provided in this update, download the file information for cumulative update.

Prerequisites

To apply this update, you must have .NET Framework 4.8.1 installed.

Restart requirement

You must restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update.

Source: https://support.microsoft.com/en-us/...7-fd147523b06d

See also: https://support.microsoft.com/en-us/...5-4d9a982fc368

Posted By: Brink
23 Jun 2023