September 8, 2020-KB4576627 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10 Version 1809 and Windows Server 2019

Release Date:
September 8, 2020

Version:
.NET Framework 3.5, 4.7.2 and 4.8

This update is included in the Cumulative Update that's dated September 8, 2020. Parts of this update were previously released in the Cumulative Update that's dated August 20, 2020.

Summary

Security improvements

ClickOnce will no longer download applications from untrusted servers which use NTLM authentication, but, instead, will fail with “Authentication failed”. Sites in the Local Intranet and Trusted sites zones will continue to authenticate as before.

For a list of improvements that were released with this update, please see the article links in the Additional Information section of this article.

Additional information about this update

The following articles contain additional information about this update as it relates to individual product versions.

  • 4570720 Description of the Cumulative Update Preview for .NET Framework 3.5 and 4.7.2 for Windows 10 Version 1809 and Windows Server 2019 (KB4570720)

  • 4576483 Description of the Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1809 and Windows Server 2019 (KB4576483)

Information about protection and security

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

Thank you for your feedback!

Thank you for your feedback! It sounds like it might be helpful to connect you to one of our Office support agents.

×