Description of the security update for Office 2016: December 9, 2025 (KB5002818)

Description of the security update for Office 2016: December 9, 2025 KB5002818 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 Excel Remote Code...

Description of the security update for Office Online Server: December 9, 2025 (KB5002817)

Description of the security update for Office Online Server: December 9, 2025 KB5002817 Applies To Office Online Server Summary This security update resolves Microsoft Excel Remote Code Execution vulnerability. To learn more about the vulnerability, see the following security advisories: Microsof...

Description of the security update for SharePoint Server 2019: December 9, 2025 (KB5002816)

Description of the security update for SharePoint Server 2019: December 9, 2025 KB5002816 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...

Description of the security update for SharePoint Server Subscription Edition: December 9, 2025 (KB5002815)

Description of the security update for SharePoint Server Subscription Edition: December 9, 2025 KB5002815 Applies To SharePoint Server Subscription Edition Summary Important If you're currently running SharePoint Workflow Manager, you must install SharePoint Workflow Manager KB5002799 to your far...

November 11, 2025—KB5068791 (OS Build 17763.8027)

November 11, 2025—KB5068791 OS Build 17763.8027 Applies To Win 10 Ent LTSC 2019 Windows Server 2019 Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and...

November 11, 2025—KB5068787 (OS Build 20348.4405)

November 11, 2025—KB5068787 OS Build 20348.4405 Applies To Windows Server 2022 This cumulative update for Windows Server 2022 KB5068787, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences...

November 11, 2025—KB5068781 (OS Builds 19044.6575 and 19045.6575)

November 11, 2025—KB5068781 OS Builds 19044.6575 and 19045.6575 Applies To Windows 10 Enterprise LTSC 2021 Windows 10 ESU Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability o...

November 11, 2025—KB5068779 (OS Build 25398.1965)

November 11, 2025—KB5068779 OS Build 25398.1965 Applies To Windows Server, version 23H2 This cumulative update for Windows Server, version 23H2 KB5068779, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more...

December 9, 2025—KB5071501 (Monthly Rollup)

December 9, 2025—KB5071501 Monthly Rollup Applies To Windows Server 2008 R2 Premium Assurance Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and...

December 9, 2025—KB5071417 (OS Build 22631.6345)

December 9, 2025—KB5071417 OS Build 22631.6345 Applies To Windows 11 version 23H2, all editions This cumulative update for Windows 11, version 23H2 KB5071417, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn...

December 9, 2025—KB5071505 (Monthly Rollup)

December 9, 2025—KB5071505 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 al...

December 9, 2025—KB5071504 (Monthly Rollup)

December 9, 2025—KB5071504 Monthly Rollup Applies To Windows Server 2008 Premium Assurance Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and business...

December 9, 2025—KB5071503 (Monthly Rollup)

December 9, 2025—KB5071503 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...

December 9, 2025—KB5071507 (Security-only update)

December 9, 2025—KB5071507 Security-only update Applies To Windows Server 2008 Premium Assurance Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and...

December 9, 2025—KB5071506 (Security-only update)

December 9, 2025—KB5071506 Security-only update Applies To Windows Server 2008 R2 Premium Assurance Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and...

December 9, 2025—Hotpatch KB5071413 (OS Build 20348.4467)

December 9, 2025—Hotpatch KB5071413 OS Build 20348.4467 Applies To Windows Server 2022 Datacenter: Azure Edition This Hotpatch update for Windows Server 2022 KB5071413, improves functionality, performance, and reliability. To learn more about differences between security updates, optional...

November 11, 2025—KB5068904 (Monthly Rollup)

November 11, 2025—KB5068904 Monthly Rollup Applies To Windows Server 2008 R2 Premium Assurance Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and...

November 11, 2025—KB5068865 (OS Build 22631.6199)

November 11, 2025—KB5068865 OS Build 22631.6199 Applies To Windows 11 version 23H2, all editions This cumulative update for Windows 11, version 23H2 KB5068865, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn...

November 11, 2025—KB5068864 (OS Build 14393.8594)

November 11, 2025—KB5068864 OS Build 14393.8594 Applies To Win 10 Ent LTSB 2016 Windows Server 2016, all editions Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certai...

November 11, 2025—KB5068861 (OS Builds 26200.7171 and 26100.7171)

November 11, 2025—KB5068861 OS Builds 26200.7171 and 26100.7171 Applies To Windows 11 version 25H2, all editions Windows 11 version 24H2, all editions This cumulative update for Windows 11, version 25H2 and 24H2 KB5068861, includes the latest security fixes and improvements, along with non-securi...

November 11, 2025—Hotpatch KB5068840 (OS Build 20348.4346)

November 11, 2025—Hotpatch KB5068840 OS Build 20348.4346 Applies To Windows Server 2022 Datacenter: Azure Edition To learn more about differences between security updates, optional non-security preview updates, out-of-band OOB updates, and continuous innovation, see Windows monthly updates...

November 11, 2025—Hotpatch KB5068966 (OS Build 26100.7092)

November 11, 2025—Hotpatch KB5068966 OS Build 26100.7092 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 previ...

November 11, 2025—KB5068906 (Monthly Rollup)

November 11, 2025—KB5068906 Monthly Rollup Applies To Windows Server 2008 Premium Assurance Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and busines...

November 11, 2025—KB5068905 (Monthly Rollup)

November 11, 2025—KB5068905 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...

November 11, 2025—KB5068909 (Security-only update)

November 11, 2025—KB5068909 Security-only update Applies To Windows Server 2008 Premium Assurance Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and...

November 11, 2025—KB5068908 (Security-only update)

November 11, 2025—KB5068908 Security-only update Applies To Windows Server 2008 R2 Premium Assurance Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal an...

November 11, 2025—KB5068907 (Monthly Rollup)

November 11, 2025—KB5068907 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 a...

KB5074353: Security Update for Windows PowerShell (OS Build 20348.4467)

KB5074353: Security Update for Windows PowerShell OS Build 20348.4467 Applies To Windows Server 2022 Datacenter: Azure Edition For information about Windows update terminology, see types of Windows updates and the monthly quality update types. To find an overview of Windows Server 2022, see the...

KB5074204: Security Update for Windows PowerShell (OS Builds 26100.7392 and 26200.7392)

KB5074204: Security Update for Windows PowerShell OS Builds 26100.7392 and 26200.7392 Applies To Windows 11 Enterprise LTSC 2024 Windows 11 Enterprise and Education, version 24H2 Windows 11 Enterprise and Education, version 25H2 For information about Windows update terminology, see types of Windo...

October 14, 2025—KB5066793 (OS Builds 22621.6060 and 22631.6060)

October 14, 2025—KB5066793 OS Builds 22621.6060 and 22631.6060 Applies To Windows 11 Enterprise and Education, version 22H2 Windows 11 version 23H2, all editions Windows Secure Boot certificate expiration Secure Boot certificates used by most Windows devices have started expiring in June 2026. Th...

October 14, 2025—KB5066791 (OS Builds 19044.6456 and 19045.6456)

October 14, 2025—KB5066791 OS Builds 19044.6456 and 19045.6456 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 Enterprise Multi-Session, version 22H2 Windows...

October 14, 2025—KB5066782 (OS Build 20348.4294)

October 14, 2025—KB5066782 OS Build 20348.4294 Applies To Windows Server 2022 Windows Secure Boot certificate expiration Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and business devices to boot securel...

October 14, 2025—KB5066780 (OS Build 25398.1913)

October 14, 2025—KB5066780 OS Build 25398.1913 Applies To Windows Server, version 23H2 Windows Secure Boot certificate expiration Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and business devices to boo...

October 14, 2025—KB5066835 (OS Builds 26200.6899 and 26100.6899)

October 14, 2025—KB5066835 OS Builds 26200.6899 and 26100.6899 Applies To Windows 11 version 25H2, all editions Windows 11 version 24H2, all editions Windows Secure Boot certificate expiration Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might...

Description of the security update for Microsoft Exchange Server 2019 CU14: December 9, 2025 (KB5071874)

Description of the security update for Microsoft Exchange Server 2019 CU14: December 9, 2025 KB5071874 Applies To Exchange Server 2019 Original article content This security update resolves vulnerabilities in Microsoft Exchange Server. To learn more about these vulnerabilities, see the following...

Description of the security update for Microsoft Exchange Server 2016 CU23: December 9, 2025 (KB5071873)

Description of the security update for Microsoft Exchange Server 2016 CU23: December 9, 2025 KB5071873 Applies To Exchange Server 2016 Original article content This security update resolves vulnerabilities in Microsoft Exchange Server. To learn more about these vulnerabilities, see the following...

December 9, 2025—KB5071547 (OS Build 20348.4529)

December 9, 2025—KB5071547 OS Build 20348.4529 Applies To Windows Server 2022 This cumulative update for Windows Server 2022 KB5071547, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences...

December 9, 2025—KB5071546 (OS Builds 19045.6691 and 19044.6691)

December 9, 2025—KB5071546 OS Builds 19045.6691 and 19044.6691 Applies To Windows 10 ESU Windows 10 Enterprise LTSC 2021 Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of...

December 9, 2025—KB5071544 (OS Build 17763.8146)

December 9, 2025—KB5071544 OS Build 17763.8146 Applies To Windows Server 2019 Win 10 Ent LTSC 2019 Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and...

December 9, 2025—KB5071543 (OS Build 14393.8688)

December 9, 2025—KB5071543 OS Build 14393.8688 Applies To Windows Server 2016, all editions Win 10 Ent LTSB 2016 Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain...

December 9, 2025—KB5071542 (OS Build 25398.2025)

December 9, 2025—KB5071542 OS Build 25398.2025 Applies To Windows Server, version 23H2 This cumulative update for Windows Server, version 23H2 KB5071542, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more...

Description of the security update for Microsoft Exchange Server Subscription Edition RTM: December 9, 2025 (KB5071876)

Description of the security update for Microsoft Exchange Server Subscription Edition RTM: December 9, 2025 KB5071876 Applies To Exchange Server SE Original article content This security update resolves vulnerabilities in Microsoft Exchange Server. To learn more about these vulnerabilities, see t...

Description of the security update for Microsoft Exchange Server 2019 CU15: December 9, 2025 (KB5071875)

Description of the security update for Microsoft Exchange Server 2019 CU15: December 9, 2025 KB5071875 Applies To Exchange Server 2019 Original article content This security update resolves vulnerabilities in Microsoft Exchange Server. To learn more about these vulnerabilities, see the following...

October 14, 2025—KB5066586 (OS Build 17763.7919)

October 14, 2025—KB5066586 OS Build 17763.7919 Applies To Windows 10 Enterprise, version 1809 Windows Server 2019 Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certai...

December 9, 2025—Hotpatch KB5072014 (OS Build 26100.7392)

December 9, 2025—Hotpatch KB5072014 OS Build 26100.7392 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...

December 9, 2025—KB5072033 (OS Builds 26200.7462 and 26100.7462)

December 9, 2025—KB5072033 OS Builds 26200.7462 and 26100.7462 Applies To Windows 11 version 25H2, all editions Windows 11 version 24H2, all editions This cumulative update for Windows 11, version 25H2 and 24H2 KB5072033, includes the latest security fixes and improvements, along with non-securit...

October 14, 2025—KB5066837 (OS Build 10240.21161)

October 14, 2025—KB5066837 OS Build 10240.21161 Applies To Windows 10 Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the ability of certain personal and business devices to boot...

October 14, 2025—KB5066836 (OS Build 14393.8519)

October 14, 2025—KB5066836 OS Build 14393.8519 Applies To Windows 10, version 1607, all editions Windows Server 2016, all editions Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices have started expiring in June 2026. This might affect the...

.NET 10.0 Update - December 9, 2025 (KB5072928)

.NET 10.0 Update - December 9, 2025 KB5072928 .NET 10.0 has been refreshed with the latest update as of December 9, 2025. This update contains non-security fixes. See the release notes for details about updated packages. .NET 10.0 servicing updates are upgrades. The latest servicing update for 10...

MS12-015: Description of the security update for Visio Viewer 2010: February 14, 2012

MS12-015: Description of the security update for Visio Viewer 2010: February 14, 2012 Microsoft has released security bulletin MS12-015. To view the complete security bulletin, visit one of the following Microsoft websites: Home users:...