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...

Cumulative Update for Windows 10 version 1511 and Windows Server 2016 Technical Preview 4: June 14, 2016

Cumulative Update for Windows 10 version 1511 and Windows Server 2016 Technical Preview 4: June 14, 2016 Applies To Windows 10, version 1511, all editions Summary This security update includes improvements and fixes in the functionality of Windows 10 Version 1511 and Windows Server 2016 Technical...

MS15-091: Cumulative security update for Microsoft Edge: August 11, 2015

Resolves vulnerabilities in Microsoft Edge that could allow remote code execution if a user views a specially crafted webpage in Microsoft Edge.SummaryThis security update resolves several reported vulnerabilities in Microsoft Edge. The most severe of these vulnerabilities could allow remote code...

Description of the security update for the Microsoft Visual C++ 2008 Redistributable Package (for previously installed versions): July 28, 2009

Description of the security update for the Microsoft Visual C++ 2008 Redistributable Package for previously installed versions: July 28, 2009 INTRODUCTION Microsoft has released security bulletin MS09-035. To view the complete security bulletin, visit one of the following Microsoft Web sites: Hom...

Security update 1970-01-01

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October 26, 2026—KB5134125 (OS Builds 19045.7811 and 19044.7811) Out-of-band

October 26, 2026—KB5134125 OS Builds 19045.7811 and 19044.7811 Out-of-band Applies To Windows 10 ESU Windows 10 Enterprise LTSC 2021 Windows 10 IoT Enterprise LTSC 2021 Important Free support for Windows 10 Enterprise LTSC 2021 ends on January 12, 2027. To learn about continuing support, see Plan...

September 22, 2026—KB5124010 (OS Builds 26300.9550, 26200.9550, and 26100.9550) Preview

September 22, 2026—KB5124010 OS Builds 26300.9550, 26200.9550, and 26100.9550 Preview Applies To Windows 11 version 26H2, all editions Windows 11 version 25H2, all editions Windows 11 version 24H2, all editions This cumulative update for Windows 11, versions 26H2, 25H2, and 24H2 KB5124010, includ...

Description of the security update for Office 2016: September 08, 2026 (KB5002918)

Description of the security update for Office 2016: September 08, 2026 KB5002918 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...

March 10, 2026—Hotpatch KB5078736 (OS Build 26100.32463)

March 10, 2026—Hotpatch KB5078736 OS Build 26100.32463 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 preview...

December 18, 2025—KB5074977 (Monthly Rollup) Out-of-band

December 18, 2025—KB5074977 Monthly Rollup Out-of-band 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...

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...

June 10, 2025—KB5061018 (Monthly Rollup)

June 10, 2025—KB5061018 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 sure...

May 13, 2025—KB5061195 Out-of-band (Security-only update)

May 13, 2025—KB5061195 Out-of-band Security-only update Applies To Windows Server 2008 R2 Premium Assurance End of support information Windows Server 2008 R2 Premium Assurance ended on January 13, 2026. Windows Server 2008 R2 Extended Security Updates ESU ended on January 10, 2023. Additionally,...

KB3072779 - SQL Server 2012 Service Pack 3 release information

KB3072779 - SQL Server 2012 Service Pack 3 release information Applies To SQL Server 2012 Enterprise SQL Server 2012 Developer SQL Server 2012 Analysis Services SQL Server 2012 Business Intelligence SQL Server 2012 Standard SQL Server 2012 Web This article contains important information that you...

June 11, 2024—KB5039260 (Monthly Rollup)

June 11, 2024—KB5039260 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...

July 9, 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 (KB5041023)

July 9, 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 KB5041023 Revised August 28, 2024: Update breaking change details to known issue section.Revised July 30, 2024: Add breaking change information to known issue section. Applies...

Service Update 1.29 for Microsoft Dynamics CRM (on-premises) 9.1

Service Update 1.29 for Microsoft Dynamics CRM on-premises 9.1 Dynamics 365 Introduction Service Update 9.1.29 for Microsoft Dynamics CRM on-premises 9.1 is now available. This article describes the hotfixes and updates that are included in Service Update 9.1.29.14 More information Update package...

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...

April 11, 2023—KB5025271 (Monthly Rollup)

April 11, 2023—KB5025271 Monthly Rollup Applies To Windows Server 2008 Datacenter ESU Windows Server 2008 Standard ESU Windows Server 2008 Enterprise ESU Note IMPORTANT As of January 10, 2023, Microsoft no longer provides security updates or technical support for Windows Server 2008 SP2. For...

Description of the security update for SharePoint Server 2019 Language Pack: February 14, 2023 (KB5002330)

Description of the security update for SharePoint Server 2019 Language Pack: February 14, 2023 KB5002330 Applies To SharePoint Server 2019 Summary This security update resolves a Microsoft SharePoint Server elevation of privilege vulnerability and Microsoft Word remote code execution vulnerabilit...

December 13, 2022-Security and Quality Rollup for .NET Framework 2.0, 3.0, 4.6.2 for Windows Server 2008 SP2 (KB5021094)

December 13, 2022-Security and Quality Rollup for .NET Framework 2.0, 3.0, 4.6.2 for Windows Server 2008 SP2 KB5021094 Applies to: Microsoft .NET Framework 2.0 Microsoft .NET Framework 3.0 Microsoft .NET Framework 4.6.2 Note: Revised on Jun 20, 2023 to add resolution to known issue. REMINDER...

December 13, 2022-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 (KB5021092)

December 13, 2022-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 KB5021092 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 .NET Framework 4.7.2...

February 8, 2022—KB5010395 (Security-only update)

February 8, 2022—KB5010395 Security-only update Applies To Windows 8.1 Windows Server 2012 R2 Windows Embedded 8.1 Industry Enterprise Windows Embedded 8.1 Industry Pro Summary Learn more about this security update, including improvements and fixes, any known issues, and how to get the update. No...

Description of the security update for SharePoint Enterprise Server 2016: October 12, 2021 (KB5002006)

Description of the security update for SharePoint Enterprise Server 2016: October 12, 2021 KB5002006 Applies To SharePoint Server 2016 Summary This security update resolves a Microsoft Word remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common...

Description of the security update for SharePoint Server 2019: September 14, 2021 (KB5002018)

Description of the security update for SharePoint Server 2019: September 14, 2021 KB5002018 Applies To SharePoint Server 2019 Summary This security update resolves a Microsoft SharePoint Server spoofing vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and...

Description of the security update for Excel 2013: September 14, 2021 (KB5002014)

Description of the security update for Excel 2013: September 14, 2021 KB5002014 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-2021-38655. Note: To apply thi...

Description of the security update for SharePoint Server 2019 Language Pack: June 8, 2021 (KB5001945)

Description of the security update for SharePoint Server 2019 Language Pack: June 8, 2021 KB5001945 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 Commo...

Description of the security update for Access 2010: August 11, 2020

Description of the security update for Access 2010: August 11, 2020 Summary This security update resolves a remote code execution vulnerability that exists in Microsoft Office that could be exploited if a user opens a file that contains a malformed graphics image or inserts a malformed graphics...

KB4532095 - Description of the security update for SQL Server 2014 SP3 GDR: February 11, 2020

KB4532095 - Description of the security update for SQL Server 2014 SP3 GDR: February 11, 2020 Summary A remote code execution vulnerability exists in Microsoft SQL Server Reporting Services if it incorrectly handles page requests. An attacker who successfully exploited this vulnerability could...

Servicing stack update for Windows 10 version 1709: October 8, 2019

Servicing stack update for Windows 10 version 1709: October 8, 2019 Applies To Windows 10, version 1709, all editions Summary This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Key changes include the following: Improves the Secure...

July 9, 2019 — KB4506987 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1703

July 9, 2019 — KB4506987 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1703 Applies To .NET Note Applies to: Microsoft .NET Framework 4.8 Summary A remote code execution vulnerability exists in .NET software when the software fails to check the source markup of a file. An...

May 14, 2019—KB4495616 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1803

May 14, 2019—KB4495616 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1803 Applies To .NET Note Release Date: 05/14/2019 Version: .NET Framework 4.8 Summary Denial of service vulnerabilities exist when .NET Framework improperly handles objects in heap memory, or when .NET...

Description of the security update for Excel 2010: April 9, 2019

Description of the security update for Excel 2010: April 9, 2019 Summary This security update resolves a remote code execution vulnerability that exists in Microsoft Excel software when the software does not correctly handle objects in memory. To learn more about the vulnerability, see Microsoft...

November 13, 2018—KB4467700 (Security-only update)

November 13, 2018—KB4467700 Security-only update Applies To Windows Server 2008 Service Pack 2 Improvements and fixes This security update includes quality improvements. No new operating system features are being introduced in this update. Key changes include: Addresses an issue that causes high...

Security and Quality Rollup for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, and 4.7.1 updates for Windows 8.1, RT 8.1, and Server 2012 R2 (KB 4099635)

Security and Quality Rollup for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, and 4.7.1 updates for Windows 8.1, RT 8.1, and Server 2012 R2 KB 4099635 Notice This update is included in the June 2018 Preview of the Quality Rollups for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7 and 4.7....

Description of the Security Only update for .NET Framework 3.5.1 for Windows 7 SP1 and Windows Server 2008 R2 SP1 (KB 4054176)

Description of the Security Only update for .NET Framework 3.5.1 for Windows 7 SP1 and Windows Server 2008 R2 SP1 KB 4054176 View products that this article applies to. Summary This security update resolves a security feature bypass vulnerability that exists when Microsoft .NET Framework and...

Description of the security update for 2007 Microsoft Office Suite: January 9, 2018 (KB4011201)

Description of the security update for 2007 Microsoft Office Suite: January 9, 2018 KB4011201 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...

Security update for the Microsoft Bluetooth driver spoofing vulnerability in Windows Server 2008: September 12, 2017

Security update for the Microsoft Bluetooth driver spoofing vulnerability in Windows Server 2008: September 12, 2017 Summary A spoofing vulnerability exists in the Microsoft implementation of the Bluetooth stack. An attacker who successfully exploits this vulnerability could perform a...

Description of the Security Only update for the .NET Framework 4.6, 4.6.1, 4.6.2, and 4.7 for Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2: September 12, 2017

Description of the Security Only update for the .NET Framework 4.6, 4.6.1, 4.6.2, and 4.7 for Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2: September 12, 2017 View products that this article applies to. Summary This security update resolves a vulnerability in the Microsoft .NET...

June 13, 2017 - KB4022714 (OS Build 10586.962)

June 13, 2017 - KB4022714 OS Build 10586.962 Applies To Windows 10, version 1511, all editions Improvements and fixes This security update includes quality improvements. No new operating system features are being introduced in this update. Key changes include: Addressed issue where, after...

July 11, 2017—KB4025341 (Monthly Rollup)

July 11, 2017—KB4025341 Monthly Rollup Applies To Windows 7 Service Pack 1 Windows Server 2008 R2 Service Pack 1 Improvements and fixes This security update includes improvements and fixes that were a part of update KB4022168 released June 27, 2017 and resolves the following issues: Addressed iss...

Security update 2017-06-13

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Security and Quality Rollup for the .NET Framework 3.5 Service Pack 1, 4.5.2, 4.6, 4.6.1, and 4.6.2 updates for Windows 8.1 and Windows Server 2012 R2: May 9, 2017

Security and Quality Rollup for the .NET Framework 3.5 Service Pack 1, 4.5.2, 4.6, 4.6.1, and 4.6.2 updates for Windows 8.1 and Windows Server 2012 R2: May 9, 2017 View products that this article applies to. Summary This security update for the Microsoft .NET Framework resolves a security feature...

April 11, 2017—KB4015546 (Security-only update)

April 11, 2017—KB4015546 Security-only update Applies To Windows 7 Service Pack 1 Windows Server 2008 R2 Service Pack 1 Improvements and fixes This security update resolves security vulnerabilities in scripting engine, Hyper-V, libjpeg image-processing library, Adobe Type Manager Font Driver,...

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...

MS17-014: Description of the security update for Word 2016: March 14, 2017

MS17-014: Description of the security update for Word 2016: March 14, 2017 Applies To Word 2016 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...

MS16-142: Cumulative security update for Internet Explorer: November 8, 2016

Resolves vulnerabilities in Internet Explorer that could allow remote code execution if a user views a specially crafted webpage in Internet Explorer.SummaryThis security update resolves several reported vulnerabilities in Internet Explorer. These vulnerabilities could allow remote code execution...

MS16-112: Description of the security update for Windows lock screen: September 13, 2016

MS16-112: Description of the security update for Windows lock screen: September 13, 2016 Applies To Windows Server 2012 R2 Datacenter Windows Server 2012 R2 Standard Windows Server 2012 R2 Essentials Windows Server 2012 R2 Foundation Windows 8.1 Enterprise Windows 8.1 Pro Windows 8.1 Windows RT 8...

MS16-087: Security update for Windows print spooler components: July 12, 2016

MS16-087: Security update for Windows print spooler components: July 12, 2016 Applies To Windows Server 2012 R2 Datacenter Windows Server 2012 R2 Standard Windows Server 2012 R2 Essentials Windows Server 2012 R2 Foundation Windows 8.1 Enterprise Windows 8.1 Pro Windows 8.1 Windows RT 8.1 Windows...

MS16-055: Description of the security update for Microsoft graphics component: May 10, 2016 (KB3156013)

MS16-055: Description of the security update for Microsoft graphics component: May 10, 2016 KB3156013 Applies To Windows Server 2012 R2 Datacenter Windows Server 2012 R2 Standard Windows Server 2012 R2 Essentials Windows Server 2012 R2 Foundation Windows 8.1 Enterprise Windows 8.1 Pro Windows 8.1...