This security update includes improvements and fixes that were a part of update KB4041685 (released October 17, 2017) and resolves the following issues:
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Addressed issue where the virtual smart card doesn't assess the Trusted Platform Module (TPM) vulnerability correctly.
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Addressed issue where applications based on the Microsoft JET Database Engine (Microsoft Access 2007 and older or non-Microsoft applications) fail when creating or opening Microsoft Excel .xls files. The error message is: “Unexpected error from external database driver (1). (Microsoft JET Database Engine)".
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Addressed a crash in Internet Explorer that was seen in machines that used large font-size settings.
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Addressed issue that caused SharePoint Online sites to stop working in Internet Explorer.
- Security updates to Microsoft Windows Search Component, Microsoft Graphics Component, Windows kernel-mode drivers, Windows Media Player, and Windows kernel.
For more information about the resolved security vulnerabilities, see the Security Update Guide.