October 22, 2024—KB5044380 (OS Builds 22621.4391 and 22631.4391) Preview

October 22, 2024—KB5044380 OS Builds 22621.4391 and 22631.4391 Preview Applies To Windows 11 Enterprise and Education, version 22H2 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 quali...

October 8, 2024—KB5044273 (OS Builds 19044.5011 and 19045.5011) - EXPIRED

October 8, 2024—KB5044273 OS Builds 19044.5011 and 19045.5011 - EXPIRED Applies To Windows 10 Enterprise LTSC 2021 Windows 10 IoT Enterprise LTSC 2021 Windows 10, version 22H2, all editions EXPIRATION NOTICE IMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft...

October 8, 2024—KB5044285 (OS Builds 22621.4317 and 22631.4317)

October 8, 2024—KB5044285 OS Builds 22621.4317 and 22631.4317 Applies To Windows 11 version 22H2, all editions Windows 11 version 23H2, all editions Note Updated 10/08/24---END OF SERVICE NOTICE --- IMPORTANT Home and Pro editions of Windows 11, version 22H2 are at end of service today, October 8...

October 8, 2024—KB5044280 (OS Build 22000.3260)

October 8, 2024—KB5044280 OS Build 22000.3260 Applies To Windows 11 version 21H2, all editions Note Updated 10/08/24---END OF SERVICE NOTICE --- IMPORTANT All editions of Windows 11, version 21H2 are at end of service today, October 8, 2024. After today, these devices will not receive monthly...

October 8, 2024—KB5044281 (OS Build 20348.2762)

October 8, 2024—KB5044281 OS Build 20348.2762 Applies To Windows Server 2022 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 Windows Server 2022, see its update history page. Note...

October 8, 2024—KB5044288 (OS Build 25398.1189)

October 8, 2024—KB5044288 OS Build 25398.1189 Applies To Windows Server, version 23H2 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 Windows Server, version 23H2, see its update...

October 8, 2024—KB5044284 (OS Build 26100.2033) for Windows

October 8, 2024—KB5044284 OS Build 26100.2033 for Windows Applies To Windows 11 version 24H2, all editions Windows Server 2025, 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...

October 8, 2024—KB5044277 (OS Build 17763.6414) - EXPIRED

October 8, 2024—KB5044277 OS Build 17763.6414 - EXPIRED Applies To Win 10 Ent LTSC 2019 Win 10 IoT Ent LTSC 2019 Windows 10 IoT Core LTSC Windows Server 2019 Note EXPIRATION NOTICE IMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other releas...

Security update 2024-10-08

...

KB5046398: Windows Recovery Environment update for Windows 11, version 21H2: October 8, 2024

KB5046398: Windows Recovery Environment update for Windows 11, version 21H2: October 8, 2024 Applies To Windows 11 SE, version 21H2 Windows 11 Home and Pro, version 21H2 Windows 11 Enterprise and Education, version 21H2 Windows 11 IoT Enterprise, version 21H2 Note IMPORTANT This update will not b...

KB5046400: Windows Recovery Environment update for Windows 10, version 21H2 and 22H2: October 8, 2024

KB5046400: Windows Recovery Environment update for Windows 10, version 21H2 and 22H2: October 8, 2024 Applies To Windows 10 Home and Pro, version 21H2 Windows 10 Enterprise and Education, version 21H2 Windows 10 IoT Enterprise, version 21H2 Windows 10 Home and Pro, version 22H2 Windows 10...

.NET 6.0 Update - October 08, 2024 (KB5045998)

.NET 6.0 Update - October 08, 2024 KB5045998 .NET 6.0 has been refreshed with the latest update as of October 08, 2024. This update contains both security and non-security fixes. See the release notes for details on updated packages. .NET 6.0 servicing updates are upgrades. The latest servicing...

October 8, 2024-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 (KB5044097)

October 8, 2024-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 KB5044097 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...

October 8, 2024-Security and Quality Rollup for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 (KB5044098)

October 8, 2024-Security and Quality Rollup for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 KB5044098 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 REMINDER...

October 8, 2024-KB5044090 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2

October 8, 2024-KB5044090 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 Applies To .NET Note Release Date: October 8, 2024 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for...

October 8, 2024—KB5044356 (Monthly Rollup)

October 8, 2024—KB5044356 Monthly Rollup Applies To Windows Server 2008 R2 Premium Assurance End of support information Note As of January 10, 2023, Microsoft no longer provides security updates or technical support for Windows 7 Service Pack 1 SP1. We recommend that you upgrade to a supported...

October 8, 2024—KB5044320 (Monthly Rollup)

October 8, 2024—KB5044320 Monthly Rollup Applies To Windows Server 2008 Premium Assurance End of support information Note Windows Server 2008 SP2 Extended Security Updates ESU third and final year ended on January 10, 2023. Additionally, Extended Security Updates on Azure only support ended on...

October 8, 2024—KB5044306 (Security-only update)

October 8, 2024—KB5044306 Security-only update Applies To Windows Server 2008 Premium Assurance End of support information Note Windows Server 2008 SP2 Extended Security Updates ESU third and final year ended on January 10, 2023. Additionally, Extended Security Updates on Azure-only support ended...

October 8, 2024—KB5044286 (OS Build 10240.20796) - EXPIRED

October 8, 2024—KB5044286 OS Build 10240.20796 - EXPIRED Applies To Windows 10 EXPIRATION NOTICE IMPORTANT As of January 27, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of...

October 8, 2024-KB5044033 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 and Windows 11, version 23H2

October 8, 2024-KB5044033 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 and Windows 11, version 23H2 Applies To .NET Note Revised July 8, 2025: Updated 'How to get this update' section. Note Release Date: October 8, 2024 Version: .NET Framework 3.5 and 4.8.1 The...

Description of the security update for Excel 2016: October 8, 2024 (KB5002643)

Description of the security update for Excel 2016: October 8, 2024 KB5002643 Applies To Excel 2016 Summary This security update resolves a Microsoft Excel remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2024-43504...

October 8, 2024-KB5044099 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows Server 2022

October 8, 2024-KB5044099 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows Server 2022 Applies To .NET Note Release Date: October 8, 2024 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for...

.NET 8.0 Update - October 08, 2024 (KB5045993)

.NET 8.0 Update - October 08, 2024 KB5045993 NET 8.0 has been refreshed with the latest update as of October 08, 2024. This update contains both security and non-security fixes. See the release notes for details on updated packages. .NET 8.0 servicing updates are upgrades. The latest servicing...

October 8, 2024—KB5044321 (Security-only update)

October 8, 2024—KB5044321 Security-only update Applies To Windows Server 2008 R2 Premium Assurance End of support information Note As of January 10, 2023, Microsoft no longer provides security updates or technical support for Windows 7 Service Pack 1 SP1. We recommend that you upgrade to a...

October 8, 2024-KB5044091 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

October 8, 2024-KB5044091 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 Applies To .NET Note Release Date: October 8, 2024 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for...

October 8, 2024-Security and Quality Rollup for .NET Framework 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2008 R2 SP1 (KB5044095)

October 8, 2024-Security and Quality Rollup for .NET Framework 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2008 R2 SP1 KB5044095 Applies To .NET Note Applies to: Microsoft .NET Framework 3.5.1 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1...

Description of the security update for SharePoint Server 2019: October 8, 2024 (KB5002647)

Description of the security update for SharePoint Server 2019: October 8, 2024 KB5002647 Applies To SharePoint Server 2019 Summary This security update resolves a Microsoft SharePoint elevation of privilege vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities...

October 8, 2024—KB5044293 (OS Build 14393.7428) - EXPIRED

October 8, 2024—KB5044293 OS Build 14393.7428 - EXPIRED Applies To Windows 10, version 1607, all editions Windows Server 2016, all editions EXPIRATION NOTICE IMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommen...

Description of the security update for SharePoint Enterprise Server 2016: October 8, 2024 (KB5002645)

Description of the security update for SharePoint Enterprise Server 2016: October 8, 2024 KB5002645 Applies To SharePoint Server 2016 Summary This security update resolves a Microsoft SharePoint elevation of privilege vulnerability. To learn more about the vulnerability, see Microsoft Common...

Description of the security update for Office 2016: October 8, 2024 (KB5002635)

Description of the security update for Office 2016: October 8, 2024 KB5002635 Applies To Office Standard 2016 Office Professional 2016 Office Professional Plus 2016 Office Home and Business 2016 Office Home and Student 2016 Summary This security update resolves a Microsoft Office spoofing...

Description of the security update for SharePoint Server Subscription Edition: October 8, 2024 (KB5002649)

Description of the security update for SharePoint Server Subscription Edition: October 8, 2024 KB5002649 Applies To SharePoint Server Subscription Edition Summary This security update resolves a Microsoft SharePoint elevation of privilege vulnerability. To learn more about the vulnerability, see...

October 8, 2024-Security Only Update for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 (KB5044086)

October 8, 2024-Security Only Update for .NET Framework 2.0, 3.0, 3.5 SP1, 4.6.2 for Windows Server 2008 SP2 KB5044086 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 REMINDER Windows...

October 8, 2024-Security Only Update for .NET Framework 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2008 R2 SP1 (KB5044085)

October 8, 2024-Security Only Update for .NET Framework 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2008 R2 SP1 KB5044085 Applies To .NET Note Applies to: Microsoft .NET Framework 3.5.1 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsof...

October 8, 2024-KB5044089 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019

October 8, 2024-KB5044089 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019 Applies To .NET Note Release Date: October 8, 2024 Version: .NET Framework 3.5, 4.7.2 and 4.8 Summary This article describes the security and cumulative update fo...

KB5046399: Windows Recovery Environment update for Windows Server 2022: October 8, 2024

KB5046399: Windows Recovery Environment update for Windows Server 2022: October 8, 2024 Applies To Windows Server 2022 Note IMPORTANT This update will not be offered if your Windows Recovery Environment WinRE meets any of the following conditions: If the WinRE recovery partition does not have...

Description of the security update for Visual Studio 2015 Update 3: October 8, 2024 (KB5045536)

Description of the security update for Visual Studio 2015 Update 3: October 8, 2024 KB5045536 Applies To Visual Studio 2015 Update 3 Applies to: All Visual Studio 2015 Update 3 editions except Build Tools Summary A denial of service vulnerability exists in the Diagnostics Hub Standard Collector i...

October 8, 2024—KB5044343 (Monthly Rollup)

October 8, 2024—KB5044343 Monthly Rollup Applies To Windows Server 2012 R2 ESU Important The installation of this Extended Security Update ESU might fail when you try to install it on an Azure Arc-enabled device that is running Windows Server 2012 R2. For a successful installation, please make su...

October 8, 2024—KB5044342 (Monthly Rollup)

October 8, 2024—KB5044342 Monthly Rollup Applies To Windows Server 2012 ESU Important The installation of this Extended Security Update ESU might fail when you try to install it on an Azure Arc-enabled device that is running Windows Server 2012. For a successful installation, please make sure all...

October 8, 2024-KB5044092 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 11, version 21H2

October 8, 2024-KB5044092 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 11, version 21H2 Applies To .NET Note Release Date: October 8, 2024 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for...

October 8, 2024-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 (KB5044096)

October 8, 2024-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 KB5044096 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...

October 8, 2024-KB5044030 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2

October 8, 2024-KB5044030 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 Applies To .NET Note Release Date: October 8, 2024 Version: .NET Framework 3.5 and 4.8.1 The October 8, 2024 update for Windows 11, version 24H2 includes security and cumulative reliability...

October 8, 2024-KB5044028 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2

October 8, 2024-KB5044028 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2 Applies To .NET Note Release Date: October 8, 2024 Version: .NET Framework 3.5 and 4.8.1 The October 8, 2024 update for Microsoft server operating system, version 23H2...

October 8, 2024-KB5044021 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server 2016

October 8, 2024-KB5044021 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server 2016 Applies To .NET Note Release Date: October 8, 2024 Version: .NET Framework 4.8 The October 8, 2024 update for Windows 10, version 1607 and Windows Server 2016 includes security...

KB5044272: Cumulative security update for Internet Explorer: October 8, 2024

KB5044272: Cumulative security update for Internet Explorer: October 8, 2024 Applies To Windows Server 2008 Datacenter ESU Windows Server 2008 Standard ESU Windows Server 2008 Enterprise ESU Windows Server 2008 R2 Enterprise ESU Windows Server 2008 R2 Standard ESU Windows Server 2008 R2 Datacente...

KB5044411: Servicing stack update for Windows Server 2012 R2: October 8, 2024

KB5044411: Servicing stack update for Windows Server 2012 R2: October 8, 2024 Applies To Windows Server 2012 R2 ESU End of support information Note Windows 8.1 reached end of support EOS on January 10, 2023, at which point technical assistance and software updates are no longer provided. If you...

October 8, 2024-KB5044087 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Azure Stack HCI, version 22H2

October 8, 2024-KB5044087 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Azure Stack HCI, version 22H2 Applies To .NET Note Release Date: October 8, 2024 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8....

KB5044413: Servicing stack update for Windows Server 2012: October 8, 2024

KB5044413: Servicing stack update for Windows Server 2012: October 8, 2024 Applies To Windows Server 2012 ESU End of support information Note Windows Server 2012 reached the end of support EOS on October 10, 2023. Extended Security Updates ESUs are available for purchase and will continue for thr...

October 1, 2024, update for Project 2016 (KB5002638)

October 1, 2024, update for Project 2016 KB5002638 Applies To Project Professional 2016 Project Standard 2016 This article describes update 5002638 for Microsoft Project 2016 that was released on October 1, 2024. Be aware that the update in the Microsoft Download Center applies to the Microsoft...

September 30, 2024—KB5043178 (OS Build 26100.1882) Preview

September 30, 2024—KB5043178 OS Build 26100.1882 Preview Applies To Windows 11 version 24H2, all editions Note For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. Note Follow @WindowsUpdate to find out when new...

September 26, 2024—KB5043145 (OS Builds 22621.4249 and 22631.4249) Preview

September 26, 2024—KB5043145 OS Builds 22621.4249 and 22631.4249 Preview Applies To Windows 11 Enterprise and Education, version 22H2 Windows 11 version 23H2, all editions Note 07/09/24---END OF SERVICE NOTICE --- IMPORTANT Home and Pro editions of Windows 11, version 22H2 will reach end of...