Symptoms. When you install an update for the Microsoft .NET Framework 4, the Native Image Generator (NGen.exe) uses a high percentage of the CPU cycles on the computer for a long time. This time varies with how many Native Images are installed on the computer.

FIX: On a computer that is running the .NET Framework 3.5 Service Pack 1, the JIT compiler and the Native Image Generator (Ngen.exe) that use the Mscorjit.dll file may generate incorrect code - Microsoft Support.

January 9, 2024-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 R2 (KB5033915) .NET. Applies to: Microsoft .NET Framework 4.8. REMINDER. As a reminder to advanced IT administrators, updates to .NET Framework 3.5 for Windows Server 2012 R2 should only be applied on systems where .NET Framework 3.5 is present and enabled.

Security and Quality Rollup for .NET Framework 4.5.2 for Windows 8.1, RT 8.1, and Windows Server 2012 R2 (KB4578956) - Microsoft Support.

December 13, 2022-Security and Quality Rollup for .NET Framework 4.8 for Windows 8.1, RT 8.1, and Windows Server 2012 R2 (KB5020878) Note: Revised on Jun 20, 2023 to add resolution to known issue. As a reminder to advanced IT administrators, updates to .NET Framework 3.5 for Windows 8.1 and Windows Server 2012 R2 should only be applied on ...

The September 12, 2023 update for Windows Server 2012 includes cumulative security and reliability improvements in .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2. We recommend that you apply this update as part of your regular maintenance routines.

How to get this update. Before installing this update. Prerequisite: To apply this update, you must have .NET Framework 4.8 installed. You must install the updates listed below and restart your device before installing the latest Rollup.

This security update addresses a vulnerability where the Visual Studio WMI Setup Provider Installer can be used by a low level, local attacker to corrupt local files that SYSTEM can writ to, leading to a potential denial of service. For more information please see CVE-2023-21722. Quality and Reliability Improvements.

IMPORTANT Starting in August, 2019, updates to .NET Framework 4.6 and above, for Windows Server 2008 SP1, Windows Server 2008 R2 SP1, and Windows 7SP1, require SHA-2 Code signing support. Please make sure that you have all the latest Windows Updates before applying this update to avoid installation issues.

Before installing this update. Prerequisite: To apply this update, you must have .NET Framework 4.8 installed. Install this update. Update replacement information. This update replaces previously released updates KB5028941. File Information. File hash information. For all supported x64-based versions. For all supported x86-based versions.