.NET Framework June 2018 Security and Quality Rollup

Tara Overfield

Today, we are releasing the June 2018 Security and Quality Rollup.


No new security fixes. See .NET Framework May 2018 Security and Quality Rollup for the latest security updates.

Quality and Reliability

This release contains the following quality and reliability improvements.


  • Fix the binary serialization compatibility issue for CultureAwareComparer class [620693]

Note: Additional information on these improvements is not available. The VSTS bug number provided with each improvement is a unique ID that you can give Microsoft Customer Support, include in StackOverflow commentsor use in web searches.

Getting the Update

The Security and Quality Rollup is available via Windows Update, Windows Server Update Services, and Microsoft Update Catalog.

Microsoft Update Catalog

You can get the update via the Microsoft Update Catalog. For Windows 10, .NET Framework updates are part of the Windows 10 Monthly Rollup.

Product Version Security and Quality Rollup KB
Windows 10 1709 (Fall Creators Update) Catalog 4284819
.NET Framework 3.5 4284819
.NET Framework 4.7.1 4284819
Windows 10 1703 (Creators Update) Catalog 4284874
.NET Framework 3.5 4284874
.NET Framework 4.7, 4.7.1 4284874
Windows 10 1607 (Anniversary Update) Windows Server 2016 Catalog 4284880
.NET Framework 3.5 4284880
.NET Framework 4.6.2, 4.7, 4.7.1 4284880


Previous Monthly Rollups

The last few .NET Framework Monthly updates are listed below for your convenience:


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