Microsoft Security Updates for February, 2019

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The February security updates have been released and consist of 77 CVE's and three security advisories in which 20 are rated Critical, 54 are rated Important, and three are rated Moderate in severity. Four are listed as publicly known and one is listed as being under active attack at the time of release.

In addition to defense-in-depth updates, the updates address Remote Code Execution, Security Feature Bypass, Information Disclosure, Elevation of Privilege, Spoofing, and Security Feature Bypass and apply to the following: Adobe Flash Player, Internet Explorer, Microsoft Edge, Microsoft Windows, Microsoft Office and Microsoft Office Services and Web Apps, ChakraCore, .NET Framework, Microsoft Exchange Server, Microsoft Visual Studio, Azure IoT SDK, Microsoft Dynamics, Team Foundation Server, and Visual Studio Code.

Important: A Servicing Stack Update has been released for the following operating systems. Windows 10 Version 1607, Windows Server 2016, and Windows Server 2016 (Server Core installation); Windows 10 Version 1703; Windows 10 Version 1709 and Windows Server, version 1709 (Server& Core Installation); Windows 10 Version 1803, and Windows Server, version 1803 (Server Core Installation). A list of the latest servicing stack updates for each operating system can be found in ADV990001.

Release Notes
Windows 10 Update history

 

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Microsoft has released a cumulative update with non-security improvements and fixes for Windows 10 version 1809. This update includes quality improvements with no new operating system features introduced.

The update is available from Windows Update or the Microsoft Update Catalog. See KB4482887 for the list of improvements and fixes.

Known Issues in this Update

After installing this update, Internet Explorer 11 may have authentication issues. This occurs when two or more people use the same user account for multiple, concurrent login sessions on the same Windows Server machine, including Remote Desktop Protocol (RDP) and Terminal Server logons. See KB4482887 for the workaround.