Description of the security update for Skype for Business Server and Lync Server: February 9, 2021 (KB5000675)

Description of the security update for Skype for Business Server and Lync Server: February 9, 2021 KB5000675 Summary This security update resolves a denial of service vulnerability in Microsoft Skype for Business Server and Microsoft Lync Server. To learn more about these vulnerabilities, see...

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 Windows Server 2008 R2 SP1 (KB4603002)

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 Windows Server 2008 R2 SP1 KB4603002 Notice Revised 6/8/2021 On June 8th, 2021, this update was released to replace a previous update to address a “revocation server was...

Description of the security update for Microsoft Exchange Server 2019 and 2016: February 9, 2021 (KB4602269)

Description of the security update for Microsoft Exchange Server 2019 and 2016: February 9, 2021 KB4602269 This security update rollup resolves vulnerabilities in Microsoft Exchange Server. To learn more about these vulnerabilities, see the following Common Vulnerabilities and Exposures CVE:...

February 9, 2021—KB4601354 (OS Build 17134.2026) - EXPIRED

February 9, 2021—KB4601354 OS Build 17134.2026 - EXPIRED NEW 8/5/21 EXPIRATION NOTICEIMPORTANT As of 8/5/2021, this KB is no longer available from Windows Update, the Microsoft Update Catalog, or other release channels. We recommend that you update your devices to the latest security quality...

Cumulative Update 18 for Exchange Server 2016

Cumulative Update 18 for Exchange Server 2016 Cumulative Update 18 for Microsoft Exchange Server 2016 was released on September 15, 2020. This cumulative update includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues. These fixes will also be...

Description of the security update for Skype for Business Server and Lync Server: February 9, 2021 (KB5000688)

Description of the security update for Skype for Business Server and Lync Server: February 9, 2021 KB5000688 Summary This security update resolves a spoofing vulnerability in Microsoft Skype for Business Server and Microsoft Lync Server. To learn more about these vulnerabilities, see Microsoft...

Security Only Update 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 Windows Server 2008 R2 SP1 (KB4602958)

Security Only Update 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 Windows Server 2008 R2 SP1 KB4602958 Notice Revised 6/8/2021 On June 8th, 2021, this update was released to replace a previous update to address a “revocation server was offline”...

February 9, 2021—KB4601349 (Security-only update)

February 9, 2021—KB4601349 Security-only update IMPORTANT Windows 8.1 and Windows Server 2012 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases known as "C" releases for this operating...

February 9, 2021-KB4601887 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server, version 2019

February 9, 2021-KB4601887 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server, version 2019 Release Date: February 9, 2021 Version: .NET Framework 3.5, 4.7.2 and 4.8 Summary Security Improvements This security update addresses a denial of servi...

February 9, 2021 - KB4601384 (Monthly Rollup)

February 9, 2021 - KB4601384 Monthly Rollup IMPORTANT Windows 8.1 and Windows Server 2012 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases known as "C" releases for this operating system...

February 9, 2021—KB4601318 (OS Build 14393.4225) - EXPIRED

February 9, 2021—KB4601318 OS Build 14393.4225 - EXPIRED NEW 8/5/21 EXPIRATION NOTICEIMPORTANT As of 8/5/2021, this KB is no longer available from Windows Update, the Microsoft Update Catalog, or other release channels. We recommend that you update your devices to the latest security quality...

Update for event log channel in System Center Operations Manager 2019 (KB4601269)

Update for event log channel in System Center Operations Manager 2019 KB4601269 Introduction This article describes an issue that is fixed for System Center Operations Manager 2019. This article also contains the installation instructions for this update. For more information, see the following...

February 9, 2021—KB4601315 (OS Build 18363.1377) - EXPIRED

February 9, 2021—KB4601315 OS Build 18363.1377 - EXPIRED NEW 8/5/21 EXPIRATION NOTICEIMPORTANT As of 8/5/2021, this KB is no longer available from Windows Update, the Microsoft Update Catalog, or other release channels. We recommend that you update your devices to the latest security quality...

February 9, 2021-KB4601050 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 2004, Windows Server, version 2004, Windows 10, version 20H2, and Windows Server, version 20H2

February 9, 2021-KB4601050 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10, version 2004, Windows Server, version 2004, Windows 10, version 20H2, and Windows Server, version 20H2 Release Date: February 9, 2021 Version: .NET Framework 3.5 and 4.8 Summary This security update...

September 8, 2020—KB4577038 (Monthly Rollup)

September 8, 2020—KB4577038 Monthly Rollup IMPORTANT Windows Server 2012 has reached the end of mainstream support and is now in extended support. Starting in July 2020, there will no longer be optional releases known as "C" or "D" releases for this operating system. Operating systems in extended...

Cumulative Update 7 for Exchange Server 2019

Cumulative Update 7 for Exchange Server 2019 Cumulative Update 7 for Microsoft Exchange Server 2019 was released on September 15, 2020. This cumulative update is a security update. It includes fixes for nonsecurity issues and all previously released fixes for security and nonsecurity issues. Thes...

Description of the security update for SharePoint Foundation 2010: February 9, 2021 (KB4493223)

Description of the security update for SharePoint Foundation 2010: February 9, 2021 KB4493223 Summary This security update resolves Microsoft SharePoint Spoofing Vulnerability, SharePoint Remote Code Execution Vulnerability, and SharePoint Information Disclosure Vulnerability. To learn more about...

Security and Quality Rollup for .NET Framework 2.0, 3.0, 4.5.2, 4.6 for Windows Server 2008 SP2 (KB4603005)

Security and Quality Rollup for .NET Framework 2.0, 3.0, 4.5.2, 4.6 for Windows Server 2008 SP2 KB4603005 Notice Revised 6/8/2021 On June 8th, 2021, this update was released to replace a previous update to address a “revocation server was offline” error that may occur during installation. If you'...

Security and Quality Rollup 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 8.1, RT 8.1, and Windows Server 2012 R2 (KB4603004)

Security and Quality Rollup 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 8.1, RT 8.1, and Windows Server 2012 R2 KB4603004 Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.5.2 Microsoft .NET Framework 4.6 Microsoft .NET Framework 4.6.1...

Security and Quality Rollup 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 (KB4603003)

Security and Quality Rollup 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 KB4603003 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...

September 8, 2020—KB4570333 (OS Build 17763.1457)

September 8, 2020—KB4570333 OS Build 17763.1457 IMPORTANT Starting in July 2020, we will resume non-security releases for Windows 10 and Windows Server, version 1809 and later. There is no change to the cumulative monthly security updates also referred to as the "B" release or Update Tuesday...

February 9, 2021—KB4601363 (Security-only update)

February 9, 2021—KB4601363 Security-only update IMPORTANT Verify that you have installed the required updates listed in the How to get this update section before installing this update.Customers who have purchased the Extended Security Update ESU for on-premises versions of this OS must follow th...

February 9, 2021—KB4601348 (Monthly Rollup)

February 9, 2021—KB4601348 Monthly Rollup IMPORTANT Adobe Flash Player went out of support on December 31, 2020. For more information, see Adobe Flash end of support on December 31, 2020. Flash content will be blocked from running in Flash Player beginning January 12, 2021. For more information,...

February 9, 2021—KB4601319 (OS Builds 19041.804 and 19042.804)

February 9, 2021—KB4601319 OS Builds 19041.804 and 19042.804 EXPIRATION NOTICEIMPORTAN T As of 9/12/2023, this KB is only available from Windows Update. It is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest...

February 9, 2021-KB4601054 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1803

February 9, 2021-KB4601054 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1803 Release Date: February 9, 2021 Version: .NET Framework 4.8 Summary Security Improvements This security update addresses a denial of service vulnerability in .NET Framework. For more information please...

September 8, 2020—KB4577071 (Security-only update)

September 8, 2020—KB4577071 Security-only update IMPORTANT Windows 8.1 and Windows Server 2012 R2 have reached the end of mainstream support and are now in extended support. Starting in July 2020, there will no longer be optional, non-security releases known as "C" releases for this operating...

February 11, 2021—KB5001028 (OS Build 18363.1379) Out-of-band

February 11, 2021—KB5001028 OS Build 18363.1379 Out-of-band EXPIRATION NOTICE As of 9/12/2023, KB5001028 is only available from Windows Update. 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...

KB5000908: Servicing stack update for Windows 10, version 1909: March 9, 2021

KB5000908: Servicing stack update for Windows 10, version 1909: March 9, 2021 This update applies to the following: ​Windows 10 Version 1909 for 32-bit Systems Windows 10 Version 1909 for ARM64-based Systems Windows 10 Version 1909 for x64-based Systems Windows Server, version 1909 Server Core...

March 25, 2021-KB5000854 (OS Build 17763.1852) Preview

March 25, 2021-KB5000854 OS Build 17763.1852 Preview 2/16/21 IMPORTANT As part of the end of support for Adobe Flash, KB4577586 is now available as an optional update from Windows Update WU and Windows Server Update Services WSUS. Installing KB4577586 will remove Adobe Flash Player permanently fr...

KB5000859: Servicing stack update for Windows 10, version 1809: March 9, 2021

KB5000859: Servicing stack update for Windows 10, version 1809: March 9, 2021 This update applies to the following: Windows 10, version 1809 for 32-bit systems Windows 10, version 1809 for ARM64-based systems Windows 10, version 1809 for x64-based systems Windows Server 2019 Windows Server 2019...

March 29, 2021—KB5000842 (OS Builds 19041.906 and 19042.906) Preview

March 29, 2021—KB5000842 OS Builds 19041.906 and 19042.906 Preview 2/24/21 IMPORTANT As part of the end of support for Adobe Flash, KB4577586 is now available as an optional update from Windows Update WU and Windows Server Update Services WSUS. Installing KB4577586 will remove Adobe Flash Player...

KB5000862: Setup Dynamic Update for Windows 10, version 2004 and 20H2: March 25, 2021

KB5000862: Setup Dynamic Update for Windows 10, version 2004 and 20H2: March 25, 2021 Summary This update makes improvements to Setup binaries or any files that Setup uses for feature updates in Windows 10, version 2004 and 20H2. How to get this update This update is available through Windows...

March 25, 2021—KB5000850 (OS Build 18363.1474) Preview

March 25, 2021—KB5000850 OS Build 18363.1474 Preview 2/16/21 IMPORTANT As part of the end of support for Adobe Flash, KB4577586 is now available as an optional update from Windows Update WU and Windows Server Update Services WSUS. Installing KB4577586 will remove Adobe Flash Player permanently fr...

March 9, 2021—KB5000812 (OS Build 15063.2679)

March 9, 2021—KB5000812 OS Build 15063.2679 NEW 3/9/21 End of support for Windows 10, version 1703IMPORTANT ​​​​ This release, dated March 9, 2021, is the final security update for Windows 10, version 1703 on Surface Hub. To continue receiving security and quality updates, Microsoft recommends...

March 9, 2021 Security Update (KB5000801)

March 9, 2021 Security Update KB5000801 Improvements and fixes This update contains miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release.For more information about the resolved security vulnerabilities, please refer to the Securit...

KB5000751: Setup Dynamic Update for Windows 10, version 2004 and 20H2: February 23, 2021

KB5000751: Setup Dynamic Update for Windows 10, version 2004 and 20H2: February 23, 2021 Summary This update makes improvements to Setup binaries or any files that Setup uses for feature updates in Windows 10, version 2004 and 20H2. How to get this update This update is available through Windows...

October 13, 2020-KB4578970 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1703

October 13, 2020-KB4578970 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1703 Release Date: October 13, 2020 Version: .NET Framework 4.8 Summary Security improvements An information disclosure vulnerability exists when the .NET Framework improperly handles objects in memory. An...

September 16, 2020-KB4576947 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10, version 1903, Windows Server, version 1903, Windows 10, version 1909 and Windows Server, version 1909

September 16, 2020-KB4576947 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10, version 1903, Windows Server, version 1903, Windows 10, version 1909 and Windows Server, version 1909 Release Date: September 16, 2020 Version: .NET Framework 3.5 and 4.8 The September 16, 2020...

November 10, 2020-KB4585207 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server, version 2016

November 10, 2020-KB4585207 Cumulative Update for .NET Framework 4.8 for Windows 10, version 1607 and Windows Server, version 2016 Release Date: November 10, 2020 Version: .NET Framework 4.8 Note On Jan 12, 2020, a live revision was made to this update to remove its supersedence relationship with...

November 10, 2020-KB4585208 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1703

November 10, 2020-KB4585208 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1703 Release Date: November 10, 2020 Version: .NET Framework 4.8 Note On Jan 12, 2020, a live revision was made to this update to remove its supersedence relationship with the October 13, 2020, .NET...

November 10, 2020-KB4585210 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1803

November 10, 2020-KB4585210 Cumulative Update for .NET Framework 4.8 for Windows 10 Version 1803 Release Date: November 10, 2020 Version: .NET Framework 4.8 Note On Jan 12, 2020, a live revision was made to this update to remove its supersedence relationship with the October 13, 2020, .NET...

November 10, 2020-KB4586082 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server, version 2019

November 10, 2020-KB4586082 Cumulative Update for .NET Framework 3.5, 4.7.2 and 4.8 for Windows 10, version 1809 and Windows Server, version 2019 Release Date: November 10, 2020 Version: .NET Framework 3.5, 4.7.2 and 4.8 Note On Jan 12, 2020, a live revision was made to this update to remove its...

November 10, 2020-KB4580980 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 , version 1903, Windows Server, version 1903, Windows 10 , version 1909, and Windows Server, version 1909

November 10, 2020-KB4580980 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10 , version 1903, Windows Server, version 1903, Windows 10 , version 1909, and Windows Server, version 1909 Release Date: November 10, 2020 Version: .NET Framework 3.5 and 4.8 Note On Jan 12, 2020, a...

November 10, 2020-KB4580419 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10, version 2004, Windows Server, version 2004, Windows 10, version 20H2, and Windows Server, version 20H2

November 10, 2020-KB4580419 Cumulative Update Preview for .NET Framework 3.5 and 4.8 for Windows 10, version 2004, Windows Server, version 2004, Windows 10, version 20H2, and Windows Server, version 20H2 Release Date: November 10, 2020 Version: .NET Framework 3.5 and 4.8 Note On Jan 12, 2020, a...

Description of the security update for Office 2010: January 12, 2021

Description of the security update for Office 2010: January 12, 2021 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...

Description of the security update for Office Web Apps Server 2013: January 12, 2021

Description of the security update for Office Web Apps Server 2013: January 12, 2021 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...

Description of the security update for Office 2010: January 12, 2021

Description of the security update for Office 2010: January 12, 2021 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...

Description of the security update for SharePoint Server 2010: January 12, 2021

Description of the security update for SharePoint Server 2010: January 12, 2021 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 Microsof...

Description of the security update for Office 2016: January 12, 2021

Description of the security update for Office 2016: January 12, 2021 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...

Description of the security update for SharePoint Enterprise Server 2013: January 12, 2021

Description of the security update for SharePoint Enterprise Server 2013: January 12, 2021 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, s...