December 12, 2023—Hotpatch KB5033464 (OS Build 20348.2144)

December 12, 2023—Hotpatch KB5033464 OS Build 20348.2144 Applies To Windows Server 2022 Datacenter: Azure Edition Improvements and fixes This security update includes quality improvements. When you install this KB: This update makes miscellaneous security improvements to internal OS functionality...

December 12, 2023—KB5033118 (OS Build 20348.2159)

December 12, 2023—KB5033118 OS Build 20348.2159 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...

Service Update 0.51 for Microsoft Dynamics CRM (on-premises) 9.0

Service Update 0.51 for Microsoft Dynamics CRM on-premises 9.0 Dynamics 365 Introduction Service Update 9.0.51 for Microsoft Dynamics CRM on-premises 9.0 is now available. This article describes the hotfixes and updates that are included in Service Update 9.0.51. More information Update package |...

Description of the security update for Outlook 2016: December 12, 2023 (KB5002529)

Description of the security update for Outlook 2016: December 12, 2023 KB5002529 Applies To Outlook 2016 Summary This security update resolves a Microsoft Outlook information disclosure vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures...

December 12, 2023—KB5033383 (OS Build 25398.584)

December 12, 2023—KB5033383 OS Build 25398.584 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...

December 12, 2023—KB5033424 (Security-only update)

December 12, 2023—KB5033424 Security-only update Applies To Windows Server 2008 R2 Enterprise ESU Windows Server 2008 R2 Standard ESU Windows Server 2008 R2 Datacenter ESU Windows Embedded POSReady 7 ESU Note REMINDER As of January 10, 2023, Microsoft no longer provides security updates or...

December 12, 2023—KB5033420 (Monthly Rollup)

December 12, 2023—KB5033420 Monthly Rollup Applies To Windows Server 2012 R2 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 sure...

December 12, 2023—KB5033373 (OS Build 14393.6529) - EXPIRED

December 12, 2023—KB5033373 OS Build 14393.6529 - 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...

Service Update 1.23 for Microsoft Dynamics CRM (on-premises) 9.1

Service Update 1.23 for Microsoft Dynamics CRM on-premises 9.1 Dynamics 365 Introduction Service Update 9.1.23 for Microsoft Dynamics CRM on-premises 9.1 is now available. This article describes the hotfixes and updates that are included in Service Update 9.1.23. More information Update package |...

December 12, 2023—KB5033372 (OS Builds 19044.3803 and 19045.3803) - EXPIRED

December 12, 2023—KB5033372 OS Builds 19044.3803 and 19045.3803 - EXPIRED Applies To Windows 10 Enterprise and Education, version 21H2 Windows 10 IoT Enterprise, version 21H2 Windows 10 Enterprise Multi-Session, version 21H2 Windows 10, version 22H2, all editions EXPIRATION NOTICE IMPORTANT As of...

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...

December 12, 2023—KB5033427 (Security-only update)

December 12, 2023—KB5033427 Security-only update Applies To Windows Server 2008 Datacenter ESU Windows Server 2008 Standard ESU Windows Server 2008 Enterprise ESU Note REMINDER Windows Server 2008 SP2 Extended Security Updates third and final year of ESU ended on January 10, 2023. Many customers...

December 12, 2023—KB5033433 (Monthly Rollup)

December 12, 2023—KB5033433 Monthly Rollup Applies To Windows Server 2008 R2 Enterprise ESU Windows Server 2008 R2 Standard ESU Windows Server 2008 R2 Datacenter ESU Windows Embedded POSReady 7 ESU Note REMINDER As of January 10, 2023, Microsoft no longer provides security updates or technical...

December 12, 2023—KB5033379 (OS Build 10240.20345) - EXPIRED

December 12, 2023—KB5033379 OS Build 10240.20345 - 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...

Internet Explorer help

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...

End of support for Office 2016 and Office 2019

End of support for Office 2016 and Office 2019 Applies To Office 2019 Office 2016 Get help with Copilot Tell me about end of support for Office 2016 for Mac. Show me how to remove the conflicting 2013 app. Support for Office 2016 and Office 2019 ended on October 14, 2025. While your Office 2016 a...

KB5033466: Servicing stack update for Windows Server 2008 SP2: December 12, 2023

KB5033466: Servicing stack update for Windows Server 2008 SP2: December 12, 2023 REMINDER Windows Server 2008 SP2 Extended Security Updates third and final year of ESU ended on January 10, 2023. Many customers are taking advantage of Azures commitment to security and compliance and have moved to...

December 4, 2023—KB5032288 (OS Builds 22621.2792 and 22631.2792) Preview

December 4, 2023—KB5032288 OS Builds 22621.2792 and 22631.2792 Preview Applies To Windows 11 version 22H2, all editions Windows 11 version 23H2, all editions Note UPDATED 2/27/24 IMPORTANT: New dates for the end of non-security updates for Windows 11, version 22H2 The new end date is June 24, 202...

November 30, 2023—KB5032278 (OS Build 19045.3758) Preview

November 30, 2023—KB5032278 OS Build 19045.3758 Preview Applies To Windows 10, version 22H2, all editions Note 11/16/23 IMPORTANT Because of minimal operations during the Western holidays and the upcoming new year, there won’t be a non-security preview release for the month of December 2023. Ther...

November 14, 2023-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 (KB5032342)

November 14, 2023-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 KB5032342 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 3.5...

November 14, 2023-KB5032339 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

November 14, 2023-KB5032339 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 Applies To .NET Note Revised 11/15/23: to remove CVE details which were not affected by the .NET Framework November Security and Quality rollup. Note Release Date: November 14, 2023...

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...

November 14, 2023-KB5032338 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2

November 14, 2023-KB5032338 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 Applies To .NET Note Revised 11/15/23: to remove CVE details which were not affected by the .NET Framework November Security and Quality rollup. Note Release Date: November 14, 2023...

November 14, 2023—Hotpatch KB5032304 (OS Build 20348.2091)

November 14, 2023—Hotpatch KB5032304 OS Build 20348.2091 Applies To Windows Server 2022 Datacenter: Azure Edition Improvements and fixes This security update includes quality improvements. When you install this KB: This update makes miscellaneous security improvements to internal OS functionality...

.NET 7.0 Update - November 14, 2023 (KB5032884)

.NET 7.0 Update - November 14, 2023 KB5032884 NET 7.0 has been refreshed with the latest update as of November 14, 2023. This update contains both security and non-security fixes. See the release notes for details on updated packages. .NET 7.0 servicing updates are upgrades. The latest servicing...

November 14, 2023—KB5032254 (Monthly Rollup)

November 14, 2023—KB5032254 Monthly Rollup Applies To Windows Server 2008 Datacenter ESU Windows Server 2008 Standard ESU Windows Server 2008 Enterprise ESU Note REMINDER Windows Server 2008 SP2 Extended Security Updates third and final year of ESU ended on January 10, 2023. Many customers are...

November 14, 2023—KB5032250 (Security-only update)

November 14, 2023—KB5032250 Security-only update Applies To Windows Server 2008 R2 Enterprise ESU Windows Server 2008 R2 Standard ESU Windows Server 2008 R2 Datacenter ESU Windows Embedded POSReady 7 ESU Note REMINDER As of January 10, 2023, Microsoft no longer provides security updates or...

Description of the security update for Microsoft Exchange Server 2019 and 2016: November 14, 2023 (KB5032146)

Description of the security update for Microsoft Exchange Server 2019 and 2016: November 14, 2023 KB5032146 Note Notice For Microsoft Exchange Server 2016 installations, see also KB 5032147 for additional information about issues that are fixed in this security update. This security update rollup...

November 14, 2023-KB5031989 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server 2016

November 14, 2023-KB5031989 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server 2016 Applies To .NET Note Revised 11/15/23: to remove CVE details which were not affected by the .NET Framework November Security and Quality rollup. Note Release Date: November 14...

Description of the security update for Excel 2016: November 14, 2023 (KB5002518)

Description of the security update for Excel 2016: November 14, 2023 KB5002518 Applies To Excel 2016 Summary This security update resolves a Microsoft Excel security feature bypass vulnerability and Microsoft Excel remote code execution vulnerability. To learn more about the vulnerabilities, see...

Internet Explorer help

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...

November 14, 2023-Security Only Update for .NET Framework 2.0, 3.0, 4.6.2 for Windows Server 2008 SP2 (KB5032186)

November 14, 2023-Security Only Update for .NET Framework 2.0, 3.0, 4.6.2 for Windows Server 2008 SP2 KB5032186 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...

November 14, 2023-KB5032007 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 22H2 and Windows 11, version 23H2

November 14, 2023-KB5032007 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 7, 2025: Updated 'How to get this update' section. Note Revised 11/15/23: to remove CVE details which were not affected by the...

Description of the security update for Microsoft Exchange Server 2016: November 14, 2023 (KB5032147)

Description of the security update for Microsoft Exchange Server 2016: November 14, 2023 KB5032147 Note Notice See also KB 5032146 for additional information about issues that are fixed in this security update. This security update rollup resolves vulnerabilities in Microsoft Exchange Server. To...

November 14, 2023-KB5032340 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 11, version 21H2

November 14, 2023-KB5032340 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 11, version 21H2 Applies To .NET Note Revised 11/15/23: to remove CVE details which were not affected by the .NET Framework November Security and Quality rollup. Note Release Date: November 14, 2023...

November 14, 2023—KB5032252 (Monthly Rollup)

November 14, 2023—KB5032252 Monthly Rollup Applies To Windows Server 2008 R2 Enterprise ESU Windows Server 2008 R2 Standard ESU Windows Server 2008 R2 Datacenter ESU Windows Embedded POSReady 7 ESU Note REMINDER As of January 10, 2023, Microsoft no longer provides security updates or technical...

November 14, 2023—KB5032249 (Monthly Rollup)

November 14, 2023—KB5032249 Monthly Rollup Applies To Windows Server 2012 R2 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 sure...

November 14, 2023—KB5032248 (Security-only update)

November 14, 2023—KB5032248 Security-only update Applies To Windows Server 2008 Datacenter ESU Windows Server 2008 Standard ESU Windows Server 2008 Enterprise ESU Note REMINDER Windows Server 2008 SP2 Extended Security Updates third and final year of ESU ended on January 10, 2023. Many customers...

Description of the security update for Office 2016: November 14, 2023 (KB5002521)

Description of the security update for Office 2016: November 14, 2023 KB5002521 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 security featu...

Description of the security update for SharePoint Server 2019: November 14, 2023 (KB5002526)

Description of the security update for SharePoint Server 2019: November 14, 2023 KB5002526 Applies To SharePoint Server 2019 Summary This security update resolves a Microsoft SharePoint Server remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common...

November 14, 2023-Security Only Update for .NET Framework 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Embedded 7 Standard and Windows Server 2008 R2 SP1 (KB5032185)

November 14, 2023-Security Only Update for .NET Framework 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Embedded 7 Standard and Windows Server 2008 R2 SP1 KB5032185 Revised 11/15/23: to remove CVE details which were not affected by the .NET Framework November Security and Quality rollup. Appli...

November 14, 2023-KB5032337 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server 2019

November 14, 2023-KB5032337 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 Revised 11/15/23: to remove CVE details which were not affected by the .NET Framework November Security and Quality rollup. Note Release...

November 14, 2023-KB5032336 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows Server 2022

November 14, 2023-KB5032336 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows Server 2022 Applies To .NET Note Revised 11/15/23: to remove CVE details which were not affected by the .NET Framework November Security and Quality rollup. Note Release Date: November 14, 2023 Version...

November 14, 2023-KB5032004 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2

November 14, 2023-KB5032004 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2 Applies To .NET Note Revised 11/15/23: to remove CVE details which were not affected by the .NET Framework November Security and Quality rollup. Note Release Date:...

.NET 6.0 Update - November 14, 2023 (KB5032883)

.NET 6.0 Update - November 14, 2023 KB5032883 .NET 6.0 has been refreshed with the latest update as of November 14, 2023. 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...

KB5032921 - A possible stack buffer overflow from a remote code execution vulnerability has been exposed in the OLEDB provider for DB2.

KB5032921 - A possible stack buffer overflow from a remote code execution vulnerability has been exposed in the OLEDB provider for DB2. Host Integration Server 2020 Introduction A possible stack buffer overflow from a remote code execution has been exposed in the OLEDB provider for DB2. This fix...

November 14, 2023-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 Embedded 7 Standard and Windows Server 2008 R2 SP1 (KB5032341)

November 14, 2023-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 Embedded 7 Standard and Windows Server 2008 R2 SP1 KB5032341 Revised 11/15/23: to remove CVE details which were not affected by the .NET Framework November Security and Quality rollup...

November 14, 2023-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 (KB5032343)

November 14, 2023-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 KB5032343 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...

Description of the security update for SharePoint Server Subscription Edition: November 14, 2023 (KB5002527)

Description of the security update for SharePoint Server Subscription Edition: November 14, 2023 KB5002527 Applies To SharePoint Server Subscription Edition Summary This security update resolves a Microsoft SharePoint Server remote code execution vulnerability. To learn more about the...

Description of the security update for SharePoint Enterprise Server 2016: November 14, 2023 (KB5002517)

Description of the security update for SharePoint Enterprise Server 2016: November 14, 2023 KB5002517 Applies To SharePoint Server 2016 Summary This security update resolves a Microsoft SharePoint Server remote code execution vulnerability. To learn more about the vulnerability, see Microsoft...