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Microsoft Teams help & learning Quick access Meetings Chat Notifications & settings Teams & channels Calls & devices Files Troubleshoot IT Pro & admin Get more done with Copilot in Teams Chat with Copilot in Teams Start a conversation with Copilot in Teams about files, chats, meetings, and more...

Description of the security update for SharePoint Server 2019: June 11, 2019

Description of the security update for SharePoint Server 2019: June 11, 2019 Applies To SharePoint Server 2019 Summary This security update resolves a cross-site-scripting XSS vulnerability that exists if Microsoft SharePoint Server does not correctly sanitize a specially crafted web request to a...

Description of the security update for Office Online Server: June 11, 2019

Description of the security update for Office Online Server: June 11, 2019 Summary This security update resolves a remote code execution vulnerability that exists in Microsoft Word software if the program does not correctly handle objects in memory. To learn more about the vulnerability, see...

Description of the security update for SharePoint Server 2010: June 11, 2019

Description of the security update for SharePoint Server 2010: June 11, 2019 Summary This security update resolves a cross-site–scripting XSS vulnerability that exists when Microsoft SharePoint Server does not correctly sanitize a specially crafted web request that's made to an affected SharePoin...

Description of the security update for SharePoint Enterprise Server 2016: June 11, 2019

Description of the security update for SharePoint Enterprise Server 2016: June 11, 2019 Applies To SharePoint Server 2016 Summary This security update resolves a cross-site-scripting XSS vulnerability that exists when Microsoft SharePoint Server does not correctly sanitize a specially crafted web...

Description of the security update for Word 2013: June 11, 2019

Description of the security update for Word 2013: June 11, 2019 Summary This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see Microsoft Common...

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...

Description of the security update for Word 2010: June 11, 2019

Description of the security update for Word 2010: June 11, 2019 Summary This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see Microsoft Common...

Security Update for Adobe Flash Player: June 11, 2019

Security Update for Adobe Flash Player: June 11, 2019 Applies To Windows 10, version 1903, all editions Windows Server 2019, all editions Windows 10, version 1809, all editions Windows Server version 1803 Windows 10, version 1803, all editions Windows 10, version 1709, all editions Windows 10,...

Description of the security update for Microsoft Exchange Server 2013 and 2010: June 11, 2019

Description of the security update for Microsoft Exchange Server 2013 and 2010: June 11, 2019 This update rollup is a security update. This update provides a security advisory in Microsoft Exchange. To learn more about these vulnerabilities, see the following Common Vulnerabilities and Exposures...

June 11, 2019—KB4503267 (OS Build 14393.3025)

June 11, 2019—KB4503267 OS Build 14393.3025 Applies To Windows 10, version 1607, all editions Windows Server 2016, all editions Note Reminder: The additional servicing for Windows 10 Enterprise, Education, and IoT Enterprise editions ends on April 9, 2019 and doesn't extend beyond this date. To...

June 11, 2019—KB4503263 (Security-only update)

June 11, 2019—KB4503263 Security-only update Applies To Windows Server 2012 Windows Embedded 8 Standard Improvements and fixes This security update includes quality improvements. Key changes include: Addresses an issue that may prevent the Preboot Execution Environment PXE from starting a device...

June 11, 2019—KB4503292 (Monthly Rollup)

June 11, 2019—KB4503292 Monthly Rollup Applies To Windows 7 Service Pack 1 Windows Server 2008 R2 Service Pack 1 Note Starting with KB4493472 Monthly Rollup updates will no longer include PciClearStaleCache.exe. This installation utility addressees inconsistencies in the internal PCI cache. This...

June 11, 2019—KB4503291 (OS Build 10240.18244)

June 11, 2019—KB4503291 OS Build 10240.18244 Applies To Windows 10 Improvements and fixes This update includes quality improvements. Key changes include: Addresses an issue to set the date separator properly in the Japanese short date format. For more information, see KB4469068. Updates time zone...

June 11, 2019—KB4503286 (OS Build 17134.829)

June 11, 2019—KB4503286 OS Build 17134.829 Applies To Windows 10, version 1803, all editions Note The Windows 10 April 2018 Update will reach end of service on November 12, 2019 for Home and Pro editions. We will begin updating devices running the Windows 10 April 2018 Update starting July 16, 20...

Description of the security update for Project Server 2010: June 11, 2019

Description of the security update for Project Server 2010: June 11, 2019 Summary This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see Microsoft Comm...

Update for Windows 8.1 and Windows Server 2012 R2: April 25, 2019

Update for Windows 8.1 and Windows Server 2012 R2: April 25, 2019 Summary This update includes the quality improvements from KB4493467, in addition to new Japanese Era related changes. Key changes include: Updates the NLS registry to support the new Japanese Era. Addresses an issue that causes th...

Servicing stack update for Windows 10, Version 1607: June 11, 2019

Servicing stack update for Windows 10, Version 1607: June 11, 2019 Applies To Windows 10, version 1607, all editions Summary This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Key changes include: Addresses an issue that may preven...

Update for Windows Server 2012: April 25, 2019

Update for Windows Server 2012: April 25, 2019 Summary This update includes the quality improvements from KB4493450, in addition to new Japanese Era related changes. Key changes include: Updates the NLS registry to support the new Japanese Era. Addresses an issue that causes the Date and Time...

Servicing stack update for Windows 10, Version 1809: June 11, 2019

Servicing stack update for Windows 10, Version 1809: June 11, 2019 Applies To Windows 10, version 1809, all editions Summary This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Key changes include: Addresses an issue which may occur...

Compatibility update for installing Windows 10, version 1809: June 11, 2019

Compatibility update for installing Windows 10, version 1809: June 11, 2019 Applies To Windows 10, version 1809, all editions Summary This update makes improvements to ease the installation experience when updating to Windows 10, version 1809. How to get this update This update is available throu...

Compatibility update for installing Windows 10, version 1803: June 11, 2019

Compatibility update for installing Windows 10, version 1803: June 11, 2019 Applies To Windows 10, version 1803, all editions Summary This update makes improvements to ease the installation experience when updating to Windows 10, version 1803. How to get this update This update is available throu...

June 4, 2019, update for Excel 2016 (KB4464578)

June 4, 2019, update for Excel 2016 KB4464578 Applies To Excel 2016 This article describes update 4464578 for Microsoft Excel 2016 that was released on June 4, 2019. Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer .msi-based edition of Office 2016. It...

Servicing stack update for Windows 10, Version 1903: May 29, 2019

Servicing stack update for Windows 10, Version 1903: May 29, 2019 Applies To Windows 10, version 1903, all editions Summary This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Key changes include: Addresses an issue that may prevent...

Compatibility update for installing Windows 10, version 1903: May 29, 2019

Compatibility update for installing Windows 10, version 1903: May 29, 2019 Applies To Windows 10, version 1903, all editions Summary This update makes improvements to ease the installation experience when updating to Windows 10, version 1903. How to get this update This update is available throug...

May 29, 2019—KB4497935 (OS Build 18362.145)

May 29, 2019—KB4497935 OS Build 18362.145 Applies To Windows 10, version 1903, all editions Windows Server, version 1903, all editions Improvements and fixes This update includes quality improvements. Key changes include: Addresses an issue in which Device-S4 may be applied unexpectedly while the...

May 28, 2019—KB4499162 (OS Build 15063.1839)

May 28, 2019—KB4499162 OS Build 15063.1839 Applies To Windows 10, version 1703, all editions Note Reminder: March 12th and April 9th will be the last two Delta updates for Windows 10, version 1703. Security and quality updates will continue to be available via the express and full cumulative upda...

May 28, 2019—KB4499147 (OS Build 16299.1182)

May 28, 2019—KB4499147 OS Build 16299.1182 Applies To Windows 10, version 1709, all editions Note Reminder: March 12th and April 9th will be the last two Delta updates for Windows 10, version 1709. Security and quality updates will continue to be available via the express and full cumulative upda...

May 23, 2019—KB4499145 (Preview of Monthly Rollup)

May 23, 2019—KB4499145 Preview of Monthly Rollup Applies To Windows Server 2012 Windows Embedded 8 Standard Improvements and fixes This non-security update includes improvements and fixes that were a part of KB4499171 released May 14, 2019 and also includes these new quality improvements as a...

May 23, 2019—KB4499178 (Preview of Monthly Rollup)

May 23, 2019—KB4499178 Preview of Monthly Rollup Applies To Windows 7 Service Pack 1 Windows Server 2008 R2 Service Pack 1 Note Starting with KB4493472 Monthly Rollup updates will no longer include PciClearStaleCache.exe. This installation utility addressees inconsistencies in the internal PCI...

May 23, 2019—KB4499177 (OS Build 14393.2999)

May 23, 2019—KB4499177 OS Build 14393.2999 Applies To Windows 10, version 1607, all editions Windows Server 2016, all editions Note Reminder: The additional servicing for Windows 10 Enterprise, Education, and IoT Enterprise editions ends on April 9, 2019 and doesn't extend beyond this date. To...

May 23, 2019—KB4499182 (Preview of Monthly Rollup)

May 23, 2019—KB4499182 Preview of Monthly Rollup Applies To Windows 8.1 Windows Server 2012 R2 Improvements and fixes This non-security update includes improvements and fixes that were a part of KB4499151 released May 14, 2019 and also includes these new quality improvements as a preview of the...

May 23, 2019—KB4499184 (Preview of Monthly Rollup)

May 23, 2019—KB4499184 Preview of Monthly Rollup Applies To Windows Server 2008 Service Pack 2 Improvements and fixes This non-security update includes improvements and fixes that were a part of KB4499149 released May 14, 2019 and also includes these new quality improvements as a preview of the...

Compatibility update for installing Windows 10, version 1809: May 21, 2019

Compatibility update for installing Windows 10, version 1809: May 21, 2019 Applies To Windows 10, version 1809, all editions Summary This update makes improvements to ease the installation experience when updating to Windows 10, version 1809. How to get this update This update is available throug...

May 21, 2019—KB4499183 (OS Build 17134.799)

May 21, 2019—KB4499183 OS Build 17134.799 Applies To Windows 10, version 1803, all editions Note The Windows 10 April 2018 Update will reach end of service on November 12, 2019 for Home and Pro editions. We will begin updating devices running the Windows 10 April 2018 Update starting July 16, 201...

May 21, 2019—KB4497934 (OS Build OS 17763.529)

May 21, 2019—KB4497934 OS Build OS 17763.529 Applies To Windows 10, version 1809, all editions Windows Server 2019, all editions Note Starting with update KB4497934, we are introducing functionality that allows you to decide when to install a feature update. You control when you get a feature...

Compatibility update for installing Windows 10, version 1803: May 21, 2019

Compatibility update for installing Windows 10, version 1803: May 21, 2019 Applies To Windows 10, version 1803, all editions Summary This update makes improvements to ease the installation experience when updating to Windows 10, version 1803. How to get this update This update is available throug...

May 19, 2019—KB4505064 (OS Build 17134.766)

May 19, 2019—KB4505064 OS Build 17134.766 Applies To Windows 10, version 1803, all editions Note Reminder: March 12th and April 9th will be the last two Delta updates for Windows 10, version 1803. Security and quality updates will continue to be available via the express and full cumulative updat...

May 19, 2019—KB4505062 (OS Build 16299.1150)

May 19, 2019—KB4505062 OS Build 16299.1150 Applies To Windows 10, version 1709, all editions Note Reminder: March 12th and April 9th will be the last two Delta updates for Windows 10, version 1709. Security and quality updates will continue to be available via the express and full cumulative upda...

May 19, 2019—KB4505052 (OS Build 14393.2972)

May 19, 2019—KB4505052 OS Build 14393.2972 Applies To Windows 10, version 1607, all editions Windows Server 2016, all editions Note Reminder: The additional servicing for Windows 10 Enterprise, Education, and IoT Enterprise editions ends on April 9, 2019 and doesn't extend beyond this date. To...

Update for Windows 10, version 1903: May 19, 2019

Update for Windows 10, version 1903: May 19, 2019 Applies To Windows 10, version 1903, all editions Summary This update includes quality improvements. Key changes include: Addresses an issue that may prevent access to some gov.uk websites that don’t support HTTP Strict Transport Security HSTS whe...

May 19, 2019—KB4505056 (OS Build 17763.504)

May 19, 2019—KB4505056 OS Build 17763.504 Applies To Windows 10, version 1809, all editions Windows Server 2019, all editions Improvements and fixes This update includes quality improvements. Key changes include: Addresses an issue that may prevent access to some gov.uk websites that don’t suppor...

May 19, 2019—KB4505055 (OS Build 15063.1808)

May 19, 2019—KB4505055 OS Build 15063.1808 Applies To Windows 10, version 1703, all editions Note Reminder: March 12th and April 9th will be the last two Delta updates for Windows 10, version 1703. Security and quality updates will continue to be available via the express and full cumulative upda...

May 19, 2019—KB4505051 (OS Build 10240.18218)

May 19, 2019—KB4505051 OS Build 10240.18218 Applies To Windows 10 Improvements and fixes This update includes quality improvements. Key changes include: Addresses an issue that may prevent access to some gov.uk websites that don’t support HTTP Strict Transport Security HSTS when using Internet...

Update for Windows 7 SP1 and Windows Server 2008 R2 SP1: April 25, 2019

Update for Windows 7 SP1 and Windows Server 2008 R2 SP1: April 25, 2019 Summary This update includes the quality improvements from KB4493448, in addition to new Japanese Era related changes. Key changes include: Updates the NLS registry to support the new Japanese Era. Addresses an issue that...

Update for Windows Server 2008 SP2: April 25, 2019

Update for Windows Server 2008 SP2: April 25, 2019 Summary This update includes the quality improvements from KB4493458, in addition to new Japanese Era related changes. Key changes include: Updates the NLS registry to support the new Japanese Era. Addresses an issue that causes the Date and Time...

Description of the security update for the security feature bypass vulnerability in Microsoft Dynamics 365 (on-premises) version 8.2: May 14, 2019

Description of the security update for the security feature bypass vulnerability in Microsoft Dynamics 365 on-premises version 8.2: May 14, 2019 INTRODUCTION Microsoft Dynamics 365 online and on-premises Update 2.6 is now available. This article describes the hotfixes and updates that are include...

Security and Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Server 2008 R2 SP1 (KB4499406)

Security and Quality Rollup for .NET Framework 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows 7 SP1 and Server 2008 R2 SP1 KB4499406 Applies to: Microsoft .NET Framework 3.5.1 Microsoft .NET Framework 4.5.2 Microsoft .NET Framework 4.6 Microsoft .NET Framework 4.6.1 Microsoft...

May 14, 2019—KB4499151 (Monthly Rollup)

May 14, 2019—KB4499151 Monthly Rollup Applies To Windows 8.1 Windows Server 2012 R2 Improvements and fixes This security update includes improvements and fixes that were a part of update KB4493443 released April 25, 2019 and addresses the following issues: Provides protections against a new...

Security Only Update 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 (KB4498962)

Security Only Update 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 KB4498962 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...