.NET Framework 3.5 articles, fixes and updates - June 2021

This list contains all of the known Microsoft Knowledge Base articles, howtos, fixes, hotfixes, webcasts and updates of Microsoft .NET Framework 3.5 that have been released in June 2021. The list is daily updated.

• 4534132 February 11, 2020-KB4534132 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1903 and Windows Server 1903 RTM and Windows 10 , version 1909 and Windows Server, version 1909 Q4534132 KB4534132 June 25, 2021
• 4534131 February 11, 2020-KB4534131 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 1809 and Windows Server 2019 Q4534131 KB4534131 June 25, 2021
• 5003857 June 15, 2021-KB5003857 Cumulative Update Preview for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server, version 2019 Q5003857 KB5003857 June 15, 2021
• 5003778 June 8, 2021-KB5003778 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server, version 2019 Q5003778 KB5003778 June 9, 2021
• 5003781 Security and Quality Rollup for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 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 (KB5003781) Q5003781 KB5003781 June 8, 2021
• 5003780 Security and Quality Rollup for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 (KB5003780) Q5003780 KB5003780 June 8, 2021
• 5003779 Security and Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB5003779) Q5003779 KB5003779 June 8, 2021
• 5003258 June 8, 2021-KB5003258 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10, version 1809 and Windows Server, version 2019 Q5003258 KB5003258 June 8, 2021
• 5003256 June 8, 2021-KB5003256 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 1909 Q5003256 KB5003256 June 8, 2021
• 5003255 June 8, 2021-KB5003255 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 1809 and Windows Server, version 2019 Q5003255 KB5003255 June 8, 2021
• 5003254 June 8, 2021-KB5003254 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 2004, Windows Server, version 2004, Windows 10, version 20H2, Windows Server, version 20H2 and Windows 10 Version 21H1 Q5003254 KB5003254 June 8, 2021
• 4603002 Security and Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB4603002) Q4603002 KB4603002 June 8, 2021
• 4602958 Security Only Update for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB4602958) Q4602958 KB4602958 June 8, 2021
• 4586083 Security and Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB4586083) Q4586083 KB4586083 June 8, 2021
• 4580467 Security Only Update for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB4580467) Q4580467 KB4580467 June 8, 2021
• 4579977 Security and Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB4579977) Q4579977 KB4579977 June 8, 2021
• 4570500 Security Only Update for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB4570500) Q4570500 KB4570500 June 8, 2021
• 4566466 Security Only Update for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB4566466) Q4566466 KB4566466 June 8, 2021
• 4556403 Security Only Update for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB4556403) Q4556403 KB4556403 June 8, 2021