2026-09 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 (KB5126148)

2026-09 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 KB5126148...

July 14, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 (KB5101009)

July 14, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 KB5101009 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 tha...

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 R2 for x64 (KB5084070)

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 R2 for x64 KB5084070...

October 14, 2025-Security and Quality Rollup for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 (KB5066742)

October 14, 2025-Security and Quality Rollup for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 KB5066742 Applies To .NET Note Applies to: Microsoft .NET Framework 2.0 Microsoft .NET Framework 3.0 Microsoft .NET Framework 3.5 SP1 Microsoft .NET Framework 4.6.2 Note IMPORTANT...

September 9, 2025-KB5065957 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

September 9, 2025-KB5065957 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 Applies To .NET Note Release Date: September 9, 2025 Version: .NET Framework 3.5, 4.8 and 4.8.1 Note IMPORTANT This update is included in the Cumulative Update that's dated September 9,...

June 11, 2024—KB5039212 (OS Builds 22621.3737 and 22631.3737)

June 11, 2024—KB5039212 OS Builds 22621.3737 and 22631.3737 Applies To Windows 11 version 22H2, all editions Windows 11 version 23H2, all editions Note For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an...

August 9, 2022 Security update (KB5016620)

August 9, 2022 Security update KB5016620 Applies To Azure Local, version 20H2 Note For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Azure Stack HCI, version 20H2, see its update history...

June 20, 2022—KB5016139 (OS Builds 19042.1767, 19043.1767, and 19044.1767) Out-of-band

June 20, 2022—KB5016139 OS Builds 19042.1767, 19043.1767, and 19044.1767 Out-of-band Applies To Windows 10 IoT Enterprise, version 20H2 Windows 10 Enterprise and Education, version 20H2 Windows 10, version 21H1, all editions Windows 10, version 21H2, all editions Note EXPIRATION NOTICE IMPORTAN T...

May 26, 2017—KB4023680 (OS Build 14393.1230)

May 26, 2017—KB4023680 OS Build 14393.1230 Applies To Windows 10, version 1607, all editions Improvements and fixes This non-security update includes quality improvements. No new operating system features are being introduced in this update. Key changes include: Addressed issue where End User...

September 17, 2018—KB4464217 (OS Build 16299.666)

September 17, 2018—KB4464217 OS Build 16299.666 Applies To Windows 10, version 1709, all editions Improvements and fixes This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include: Addresses an issue that may prevent a VPN...

April 9, 2024-Security and Quality Rollup for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 (KB5037041)

April 9, 2024-Security and Quality Rollup for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 KB5037041 Applies to: Microsoft .NET Framework 2.0 Microsoft .NET Framework 3.0 Microsoft .NET Framework 3.5 SP1 Microsoft .NET Framework 4.6.2 REMINDER Windows Embedded 7 Standard an...

December 12, 2023—KB5033369 (OS Build 22000.2652)

December 12, 2023—KB5033369 OS Build 22000.2652 Applies To Windows 11 version 21H2, all editions Note 9/26/23 IMPORTANT As of September 26, 2023, there are no more optional, non-security preview releases for Windows 11, version 21H2. Only cumulative monthly security updates will continue for the...

November 14, 2023-Security and Quality Rollup for .NET Framework 2.0, 3.0, 4.6.2 for Windows Server 2008 SP2 (KB5032344)

November 14, 2023-Security and Quality Rollup for .NET Framework 2.0, 3.0, 4.6.2 for Windows Server 2008 SP2 KB5032344 Revised 11/15/23: to remove CVE details which were not affected by the .NET Framework November Security and Quality rollup. Applies to:Microsoft .NET Framework 2.0 Microsoft .NET...

October 11, 2022-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 (KB5018548)

October 11, 2022-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 KB5018548 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 Framework 4.7.2...

June 14, 2022—KB5014697 (OS Build 22000.739)

June 14, 2022—KB5014697 OS Build 22000.739 Applies To Windows 11 Note To improve the information presented in the history pages and related KBs and make them more useful to our customers, we have created an anonymous survey for you to share your comments and feedback. Note For information about...

June 14, 2022—KB5014699 (OS Builds 19042.1766, 19043.1766, and 19044.1766)

June 14, 2022—KB5014699 OS Builds 19042.1766, 19043.1766, and 19044.1766 Applies To Windows Server, version 20H2, all editions Windows 10, version 21H1, all editions Windows 10, version 21H2, all editions Windows 10 Enterprise Multi-Session, version 20H2 Windows 10 Enterprise and Education, versi...

February 8, 2022—KB5010342 (OS Builds 19042.1526, 19043.1526, and 19044.1526)

February 8, 2022—KB5010342 OS Builds 19042.1526, 19043.1526, and 19044.1526 Applies To Windows 10, version 20H2, all editions Windows Server, version 20H2, all editions Windows 10, version 21H1, all editions Windows 10, version 21H2, all editions Note EXPIRATION NOTICE IMPORTAN T As of 9/12/2023,...

September 14, 2021—KB5005566 (OS Build 18363.1801)

September 14, 2021—KB5005566 OS Build 18363.1801 Applies To Windows 10 Enterprise, version 1909 Windows 10 Enterprise and Education, version 1909 Windows 10 IoT Enterprise, version 1909 EXPIRATION NOTICE As of 9/12/2023, KB5005566 is only available from Windows Update. This update is no longer...

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 (KB5001880)

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 KB5001880 Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.5.2 Microsoft .NET Framework 4.6 Microsoft .NET Framework 4.6.1 Microsoft .NET Framework 4.6.2...

September 8, 2020—KB4574727 (OS Builds 18362.1082 and 18363.1082) - EXPIRED

September 8, 2020—KB4574727 OS Builds 18362.1082 and 18363.1082 - EXPIRED Applies To Windows 10, version 1903, all editions Windows Server version 1903 Windows 10, version 1909, all editions Windows Server version 1909 Note NEW 8/5/21 EXPIRATION NOTICE IMPORTANT As of 8/5/2021, this KB is no long...