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. Customers who attempt to pre-install updates to .NET Framework 3.5 to offline images that do not contain the .NET Framework 3.5 product enabled will expose these ...

Note: The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed in the "Additional file information" section.MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital ...

5034279 Description of the Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 R2 (KB5034279) Known issues in this update Microsoft is not currently aware of any issues in this update. How to get this update.

5018549 Description of the Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 8.1, RT 8.1, and Windows Server 2012 R2 (KB5018549) Known issues in this update Microsoft is not currently aware of any issues in this update.

For the best possible call quality experience, these ports are needed too: 1000-10000/TCP. 50000-65000/TCP. 16000-26000/TCP. Make sure your firewall or security software is configured correctly with these ports.

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Notice. This update has been released as part of the October 2017 Preview of Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, and 4.7 updates for Windows 7 SP1 and Windows Server 2008 R2 SP1 ().View products that this article applies Summary

Summary. This security update resolves the following vulnerabilities: A "remote code execution" vulnerability exists when .NET Framework does not validate input correctly. An attacker who successfully exploits this vulnerability could take control of an affected system.

4040980 Description of the Security and Quality Rollup for the .NET Framework 3.5.1 for Windows 7 SP1 and Windows Server 2008 R2 SP1: September 12, 2017 Update replacement information This update replaces updates 2978120 , and 2978128 .

Note On Jan 12, 2020, a live revision was made to this update to remove its supersedence relationship with the October 13, 2020, .NET Framework security updates. If you have already installed this update, the October 13 .NET Framework updates, or any later .NET Framework updates, you do not have to take any action to be up-to-date for the latest .NET Framework security updates.