KB5056577: Overview with user sentiment and feedback
Last Updated September 15, 2025
Probability of successful installation and continued operation of the machine
Overview
The KB5056577 update is a cumulative update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 and Windows 10 Version 22H2. This update was originally released in the Security and Quality Rollup dated April 22, 2025, and is included in the Security and Quality Rollup dated July 8, 2025. There are no changes to this update with this release on July 8, 2025. If you have previously installed this update, no action is needed. The update includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.
General Purpose
The purpose of this update is to provide security and cumulative reliability improvements for .NET Framework 3.5 and 4.8 in Windows 10 Version 21H2 and Windows 10 Version 22H2. It addresses issues related to concurrency in TypeDescriptor.GetConverter() and TypeDescriptor.GetProperties() and resolves problems where interactions between .NET Framework DLL loads and OS code integrity enforcement policy trigger error reporting dialog boxes.
General Sentiment
The general sentiment towards this update is positive, as it is part of regular maintenance routines to improve security and reliability. Microsoft has not reported any new security improvements in this release, but it does include all previously released security improvements. The update is recommended for installation to ensure the system is up-to-date with the latest enhancements.
Known Issues
Microsoft is not currently aware of any issues in this update.
Disclaimer: We take measures to ensure that AI-generated content is of the highest possible quality, but we cannot guarantee its accuracy and recommend that users do their own independent research. Generated on 2025-09-15 02:31 PM
