February 12, 2019—KB4486564 (Security-only update)

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Release Date:

Feb 12, 2019

Version:

Security-only update

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 may prevent applications that use a Microsoft Jet database with the Microsoft Access 97 file format from opening. This issue occurs if the database has column names greater than 32 characters. The database fails to open with the error, “Unrecognized Database Format”.
Security updates to Windows App Platform and Frameworks, Windows Graphics, Windows Input and Composition, Windows Wireless Networking, Windows Server, and the Microsoft JET Database Engine

For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.

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Known issues in this update

Symptom	Workaround
After installing this update, virtual machines (VM) may fail to restore successfully if the VM has been saved and restored once before. The error message is, “Failed to restore the virtual machine state: Cannot restore this virtual machine because the saved state data cannot be read. Delete the saved state data and then try to start the virtual machine. (0xC0370027).” This affects AMD Bulldozer Family 15h, AMD Jaguar Family 16h, and AMD Puma Family 16h (second generation) microarchitectures.	This issue is resolved in KB4490511.
Applications that use a Microsoft Jet database with the Microsoft Access 95 file format may randomly stop working.	This issue is resolved in KB4490511.
After installing this update, Internet Explorer 11 and other applications that use WININET.DLL 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. Symptoms reported by customers include, but may not be limited to: Cache size and location show zero or empty. Keyboard shortcuts may not work properly. Webpages may intermittently fail to load or render correctly. Issues with credential prompts. Issues when downloading files.	This issue is resolved in KB4493448.
Any compound document (OLE) server application that places embedded objects into the Windows Metafile (WMF) using the PatBlt API may display embedded objects incorrectly. For example, if you paste a Microsoft Excel worksheet object into a Microsoft Word document, the cells may render with a different background color.	This issue is resolved in KB4493448.

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How to get this update

Before installing this update

Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes.

If you are using Windows Update, the latest SSU (KB3177467) will be offered to you automatically. To get the stand-alone package for the latest SSU, go to the Microsoft Update Catalog.

Install this update

This update is now available for installation through WSUS. To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

File information

For a list of the files that are provided in this update, download the file information for update 4486564.

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