September 8, 2020-KB4576479 Cumulative Update for .NET Framework 4.8 for Windows 10 version 1607 and Windows Server 2016
Applies To
.NETRelease Date:September 8, 2020
Version: .NET Framework 4.8
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.
Quality and reliability improvements
|
CLR1 |
- Addresses an issue in some 32 bit apps where, in certain scenarios, the JIT might omit a function call - Improved support for cleaning up private temporary certificate keys |
|
WPF2 |
- Addresses an issue with a null-reference crash in automation code, arising from re-entrancy when reconnection to a remote desktop. |
1 Common Language Runtime (CLR)2 Windows Presentation Foundation (WPF)
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 |
Yes |
None. This update will be downloaded and installed automatically from Windows Update. |
|
Microsoft Update Catalog |
Yes |
To get the standalone package for this update, go to the Microsoft Update Catalog website. |
|
Windows Server Update Services (WSUS) |
Yes |
This update will automatically sync with WSUS if you configure Products and Classifications as follows: Product:Windows 10 version 1607 and Windows Server 2016 Classification: Security Updates |
File information
For a list of the files that are provided in this update, download the file information for cumulative update.
Information about protection and security
-
Protect yourself online: Windows Security support
-
Learn how we guard against cyber threats: Microsoft Security
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