Description of the security update for Office 2016: August 11, 2026 (KB5002832)

Description of the security update for Office 2016: August 11, 2026 KB5002832 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 Access Remote Code...

Description of the security update for Access 2016: August 11, 2026 (KB5002813)

Description of the security update for Access 2016: August 11, 2026 KB5002813 Applies To Access 2016 Summary This security update resolves a Microsoft Access Remote Code Execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures...

Description of the security update for Office 2016: August 11, 2026 (KB5002795)

Description of the security update for Office 2016: August 11, 2026 KB5002795 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 remote code...

Description of the security update for Office 2016: August 11, 2026 (KB5002791)

Description of the security update for Office 2016: August 11, 2026 KB5002791 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 remote code...

August 11, 2026—KB5120386 (Monthly Rollup)

August 11, 2026—KB5120386 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...

KB5123303: Security Update (OS Build 20348.5440)

KB5123303: Security Update OS Build 20348.5440 Applies To Windows Server 2022 Datacenter: Azure Edition Important This update applies only to Windows Server, version 2022 devices enrolled in hotpatch updates. For more information, see Hotpatch updates. Improvements and fixes The following summary...

.NET 8.0 Update - August 11, 2026

.NET 8.0 Update - August 11, 2026 .NET 8.0 has been refreshed with the latest update as of August 11, 2026. This update contains security fixes. See the release notes for details about updated packages. .NET 8.0 servicing updates are upgrades. The latest servicing update for 8.0 will remove the...

Update 27.8 for Microsoft Dynamics 365 Business Central 2025 Release Wave 2 (Application Build 27.8.50894, Platform Build 27.0.50789)

Update 27.8 for Microsoft Dynamics 365 Business Central 2025 Release Wave 2 Application Build 27.8.50894, Platform Build 27.0.50789 Applies To Dynamics 365 Business Central on-premises Overview This update replaces previously released updates. You should always install the latest update. After yo...

Update 26.14 for Microsoft Dynamics 365 Business Central 2025 Release Wave 1 (Application Build 26.14.50858, Platform Build 26.0.50788)

Update 26.14 for Microsoft Dynamics 365 Business Central 2025 Release Wave 1 Application Build 26.14.50858, Platform Build 26.0.50788 Applies To Dynamics 365 Business Central on-premises 2025 release wave 1, version 26 Overview This update replaces previously released updates. You should always...

Update 28.2 for Microsoft Dynamics 365 Business Central 2026 Release Wave 1 (Application Build 28.2.51034, Platform Build 28.0.50938)

Update 28.2 for Microsoft Dynamics 365 Business Central 2026 Release Wave 1 Application Build 28.2.51034, Platform Build 28.0.50938 Applies To Dynamics 365 Business Central on-premises Overview This update replaces previously released updates. You should always install the latest update. After yo...

August 11, 2026—KB5120240 (OS Build 22631.7517)

August 11, 2026—KB5120240 OS Build 22631.7517 Applies To Windows 11 version 23H2, all editions This cumulative update for Windows 11, version 23H2 KB5120240, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. Visit the...

August 11, 2026—KB5120242 (OS Build 20348.5499)

August 11, 2026—KB5120242 OS Build 20348.5499 Applies To Windows Server 2022 This cumulative update for Windows Server 2022 KB5120242, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. Visit the Windows release health...

August 11, 2026—Hotpatch KB5120228 (OS Build 26100.33222)

August 11, 2026—Hotpatch KB5120228 OS Build 26100.33222 Applies To Windows Server 2025 Datacenter: Azure Edition This update applies to Windows Server 2025 Datacenter & Standard machines connected to Azure Arc. To learn more about differences between security updates, optional non-security previe...

August 11, 2026—KB5120233 (OS Build 26100.33296)

August 11, 2026—KB5120233 OS Build 26100.33296 Applies To Windows Server 2025, all editions This cumulative update for Windows Server 2025 KB5120233, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. Visit the Windows...

August 11, 2026—Hotpatch KB5120229 (OS Build 20348.5440)

August 11, 2026—Hotpatch KB5120229 OS Build 20348.5440 Applies To Windows Server 2022 Datacenter: Azure Edition This Hotpatch update for Windows Server 2022 KB5120229 includes security improvements. To learn more about differences between security updates, optional non-security preview updates,...

August 11, 2026-KB5120702 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server 2016

August 11, 2026-KB5120702 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server 2016 Applies To .NET Note Revised October 15th, 2026: Add status update to known issue section. Note Release Date: August 11, 2026 Version: .NET Framework 4.8 The August 11, 2026...

August 11, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 R2 (KB5120706)

August 11, 2026-Security and Quality Rollup for .NET Framework 4.8 for Windows Server 2012 R2 KB5120706 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...

August 11, 2026-KB5120705 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows Server 2022

August 11, 2026-KB5120705 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows Server 2022 Applies To .NET Note Revised October 15th, 2026: Add status update to known issue section. Note Release Date: August 11, 2026 Version: .NET Framework 3.5 and 4.8 The August 11, 2026 update for Windo...

August 11, 2026-KB5120703 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 1809 and Windows Server 2019

August 11, 2026-KB5120703 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 1809 and Windows Server 2019 Applies To .NET Note Revised October 15th, 2026: Add status update to known issue section. Note Release Date: August 11, 2026 Version: .NET Framework 3.5 and 4.8 The...

August 11, 2026-KB5120701 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 and Windows 10 Version 22H2

August 11, 2026-KB5120701 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 and Windows 10 Version 22H2 Applies To .NET Note Revised October 15th, 2026: Add status update to known issue section. Note Release Date: August 11, 2026 Version: .NET Framework 3.5 and 4.8 The...

August 11, 2026—KB5121003 (OS Builds 26200.9168 and 26100.9168)

August 11, 2026—KB5121003 OS Builds 26200.9168 and 26100.9168 Applies To Windows 11 version 25H2, all editions Windows 11 version 24H2, all editions Want a quick overview?: Watch the Windows 11 release note video for this update. --- Announcements and messages This section provides key...

Description of the security update for Microsoft Exchange Server Subscription Edition RTM: August 11, 2026 (KB5121573)

Description of the security update for Microsoft Exchange Server Subscription Edition RTM: August 11, 2026 KB5121573 Applies To Exchange Server SE This security update resolves vulnerabilities in Microsoft Exchange Server. To learn more about these vulnerabilities, see the following Common...

August 11, 2026—KB5121000 (OS Build 28000.2704)

August 11, 2026—KB5121000 OS Build 28000.2704 Applies To Windows 11 version 26H1, all editions This cumulative update for Windows 11, version 26H1 KB5121000 includes the latest security fixes and improvements, along with non-security updates from last month's optional preview release. Visit the...

Description of the security update for Microsoft Exchange Server 2016 CU23: August 11, 2026 (KB5121576)

Description of the security update for Microsoft Exchange Server 2016 CU23: August 11, 2026 KB5121576 Applies To Exchange Server 2016 This security update resolves vulnerabilities in Microsoft Exchange Server. To learn more about these vulnerabilities, see the following Common Vulnerabilities and...

Description of the security update for Microsoft Exchange Server 2019 CU14: August 11, 2026 (KB5121575)

Description of the security update for Microsoft Exchange Server 2019 CU14: August 11, 2026 KB5121575 Applies To Exchange Server 2019 This security update resolves vulnerabilities in Microsoft Exchange Server. To learn more about these vulnerabilities, see the following Common Vulnerabilities and...

Description of the security update for Microsoft Exchange Server 2019 CU15: August 11, 2026 (KB5121574)

Description of the security update for Microsoft Exchange Server 2019 CU15: August 11, 2026 KB5121574 Applies To Exchange Server 2019 This security update resolves vulnerabilities in Microsoft Exchange Server. To learn more about these vulnerabilities, see the following Common Vulnerabilities and...

August 11, 2026-KB5120710 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2

August 11, 2026-KB5120710 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 24H2 Applies To .NET Note Revised October 15th, 2026: Add status update to known issue section. Note Release Date: August 11, 2026 Version: .NET Framework 3.5 and 4.8.1 The August 11, 2026 update...

August 11, 2026-KB5120709 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 and Windows 10 Version 22H2

August 11, 2026-KB5120709 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 10 Version 21H2 and Windows 10 Version 22H2 Applies To .NET Note Revised October 15th, 2026: Add status update to known issue section. Note Release Date: August 11, 2026 Version: .NET Framework 3.5 and 4.8.1...

August 11, 2026-KB5120711 Cumulative Update for .NET Framework 4.8.1 for Windows 11, version 26H1

August 11, 2026-KB5120711 Cumulative Update for .NET Framework 4.8.1 for Windows 11, version 26H1 Applies To .NET Note Revised October 15th, 2026: Add status update to known issue section. Note Release Date: August 11, 2026 Version: .NET Framework 4.8.1 The August 11, 2026 update for Windows 11,...

August 11, 2026-KB5120714 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows Server 2022

August 11, 2026-KB5120714 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows Server 2022 Applies To .NET Note Revised October 15th, 2026: Add status update to known issue section. Note Release Date: August 11, 2026 Version: .NET Framework 3.5 and 4.8.1 The August 11, 2026 update for...

August 11, 2026-KB5120713 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2

August 11, 2026-KB5120713 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 Applies To .NET Note Revised October 15th, 2026: Add status update to known issue section. Note Release Date: August 11, 2026 Version: .NET Framework 3.5 and 4.8.1 The August 11, 2026 update...

.NET 10.0 Update - August 11, 2026

.NET 10.0 Update - August 11, 2026 .NET 10.0 has been refreshed with the latest update as of August 11, 2026. This update contains security fixes. See the release notes for details about updated packages. .NET 10.0 servicing updates are upgrades. The latest servicing update for 10.0 will remove t...

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...

August 11, 2026—Hotpatch KB5120994 (OS Builds 26200.9106 and 26100.9106)

August 11, 2026—Hotpatch KB5120994 OS Builds 26200.9106 and 26100.9106 Applies To Windows 11 Enterprise LTSC 2024 This Hotpatch update for Windows 11, version 25H2 and 24H2 KB5120994 includes security improvements. To learn more about differences between security updates, optional non-security...

August 11, 2026-KB5120747 Cumulative Update for .NET Framework 3.5 for Windows 11, version 26H1 (build 28000) and later

August 11, 2026-KB5120747 Cumulative Update for .NET Framework 3.5 for Windows 11, version 26H1 build 28000 and later Applies To .NET Note Release Date: August 11, 2026 Version: .NET Framework 3.5 The August 11, 2026 update installs the complete .NET Framework 3.5 product for Windows 11, version...

KB5123273: Security Update for Pluton Devices (OS Builds 26100.9106 and 26200.9106)

KB5123273: Security Update for Pluton Devices OS Builds 26100.9106 and 26200.9106 Applies To Windows 11 Enterprise LTSC 2024 Important This update applies only to devices enrolled in hotpatch updates where the Pluton security processor has been configured as the TPM. For more information, see...

KB5123607: Security Update (OS Builds 26100.9106 and 26200.9106)

KB5123607: Security Update OS Builds 26100.9106 and 26200.9106 Applies To Windows 11 Enterprise LTSC 2024 Important This update applies only to devices enrolled in hotpatch updates. For more information, see Hotpatch updates. Improvements and fixes The following summary outlines key issues...

August 11, 2026—KB5120418 (OS Build 14393.9418)

August 11, 2026—KB5120418 OS Build 14393.9418 Applies To Windows Server 2016, all editions Win 10 Ent LTSB 2016 Win 10 IoT Ent LTSB 2016 Windows Secure Boot certificate expiration Important Secure Boot certificates used by most Windows devices started to expire in June 2026. Microsoft has been...

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 4.6.2, 4.7, 4.7.1, 4.7.2 for Windows Server 2012 (KB5120699)

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 KB5120699 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 Microso...

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-KB5120698 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10, version 1809 and Windows Server 2019

August 11, 2026-KB5120698 Cumulative Update for .NET Framework 3.5 and 4.7.2 for Windows 10, version 1809 and Windows Server 2019 Applies To .NET Note Revised October 15th, 2026: Add status update to known issue section. Note Release Date: August 11, 2026 Version: .NET Framework 3.5 and 4.7.2 The...

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...

August 11, 2026—KB5120385 (Monthly Rollup)

August 11, 2026—KB5120385 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...

September 14, 2026—Hotpatch KB5129241 (OS Builds 26200.9448 and 26100.9448) Out-of-band

September 14, 2026—Hotpatch KB5129241 OS Builds 26200.9448 and 26100.9448 Out-of-band Applies To Windows 11 Enterprise LTSC 2024 Important This update applies only to devices enrolled in hotpatch updates and is offered to eligible devices that have installed the September security update KB512400...

September 14, 2026—KB5129195 (OS Builds 26200.9457 and 26100.9457) Out-of-band

September 14, 2026—KB5129195 OS Builds 26200.9457 and 26100.9457 Out-of-band Applies To Windows 11 version 25H2, all editions Windows 11 version 24H2, all editions This out-of-band OOB update for Windows 11, version 25H2 and Windows 11, version 24H2 KB5129195 is cumulative. It includes updates fr...

August 11, 2026-KB5120708 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 and Microsoft server operating system 24H2

August 11, 2026-KB5120708 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 25H2 and Microsoft server operating system 24H2 Applies To .NET Note Revised October 15th, 2026: Add status update to known issue section. Note Release Date: August 11, 2026 Version: .NET Framewor...

August 11, 2026—KB5120238 (OS Build 17763.9121)

August 11, 2026—KB5120238 OS Build 17763.9121 Applies To Windows Server 2019 Win 10 Ent LTSC 2019 Windows Secure Boot certificate expiration Important Secure Boot certificates used by most Windows devices started to expire in June 2026. Microsoft has been updating these certificates on PCs and...

.NET 9.0 Update - August 11, 2026

.NET 9.0 Update - August 11, 2026 .NET 9.0 has been refreshed with the latest update as of August 11, 2026. This update contains security fixes. See the release notes for details about updated packages. .NET 9.0 servicing updates are upgrades. The latest servicing update for 9.0 will remove the...

Description of the security update for SharePoint Server 2019: August 11, 2026 (KB5002894)

Description of the security update for SharePoint Server 2019: August 11, 2026 KB5002894 Applies To SharePoint Server 2019 Summary Important If you're currently running SharePoint Workflow Manager, you must install the SharePoint Workflow Manager KB5002799 to your farm before you install this...