2026-10 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 for x64 (KB5128926)

2026-10 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 for x64 KB5128926...

September 8, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 R2 (KB5120695)

September 8, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 R2 KB5120695 Applies To .NET Note IMPORTANT This update was originally released in the Security and Quality Rollup that’s dated August 11, 2026. This update is included in the Security and Quality Rollup...

August 11, 2026-Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 R2 (KB5120700)

August 11, 2026-Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 R2 KB5120700 Applies To .NET Note Revised October 15th, 2026: Add status update to known issue section. Note Applies to: Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7...

August 11, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 (KB5120704)

August 11, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 KB5120704 Applies To .NET Note Revised October 15th, 2026: Add status update to known issue section. Note Applies to: Microsoft .NET Framework 4.8 Important The installation of this Extended Security Update...

September 8, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 (KB5120716)

September 8, 2026-Security and Quality Rollup for .NET Framework 3.5 for Windows Server 2012 KB5120716 Applies To .NET Note IMPORTANT This update was originally released in the Security and Quality Rollup that’s dated August 11, 2026. This update is included in the Security and Quality Rollup...

2026-07 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 for x64 (KB5102205)

2026-07 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 for x64 KB5102205...

2026-07 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 for x64 (KB5102204)

2026-07 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 for x64 KB5102204...

July 14, 2026-Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 (KB5100990)

July 14, 2026-Security and Quality Rollup for .NET Framework 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 KB5100990 Applies To .NET Note Applies to: Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework 4.7.2 Important The...

July 14, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 R2 (KB5101011)

July 14, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 R2 KB5101011 Applies To .NET Note Applies to: Microsoft .NET Framework 4.8 Important The installation of this Extended Security Update ESU might fail when you try to install it on an Azure Arc-enabled device...

July 14, 2026-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 (KB5102205)

July 14, 2026-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 KB5102205 Applies To .NET Note Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft...

2026-04 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 for x64 (KB5084069)

2026-04 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 for x64 KB5084069...

September 9, 2025-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 (KB5065959)

September 9, 2025-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 KB5065959 Applies To .NET Note Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft...

July 8, 2025-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 (KB5062157)

July 8, 2025-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 KB5062157 Applies To .NET Note Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .N...

July 8, 2025-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 (KB5062156)

July 8, 2025-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 KB5062156 Applies To .NET Note Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET...

April 8, 2025-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 (KB5055685)

April 8, 2025-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 KB5055685 Applies To .NET Note Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET...

January 14, 2025-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 (KB5050185)

January 14, 2025-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 KB5050185 Applies To .NET Note Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsof...

November 12, 2024-Security and Quality Rollup for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 (KB5046546)

November 12, 2024-Security and Quality Rollup for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 KB5046546 Applies To .NET Note Revised December 6, 2024: Update to adjust the improvements from the security improvements section to the quality and reliability improvements...

2024-10 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 for x64 (KB5044097)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

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Internet Explorer help Internet Explorer 11 support ended Support for Internet Explorer 11 ended on June 15, 2022. If any site you visit needs Internet Explorer, you can reload it with Internet Explorer mode in Microsoft Edge. Get started with Microsoft Edge Make the switch from Internet Explorer...