Improvements and fixes
This security update includes improvements and fixes that were a part of update KB4075212 (released February 21, 2018) and addresses the following issues:
Addresses issue where Internet Explorer is unresponsive in certain scenarios when a Browser Helper Object is installed.
Updates legacy Document Mode cell visibility in Internet Explorer.
Addresses issue where Internet Explorer stops working in certain printing scenarios.
Addresses issue where Internet Explorer stops working when using F12-based developer tools.
Addresses issue in Internet Explorer that caused the Outlook web app to slow down under certain circumstances.
Addresses issue where customers sometimes can't sign in to Windows 2012 R2 servers when using a custom credential provider on a console or RDP.
Provides cumulative Spectre and Meltdown protections for 32-Bit (x86) and 64-Bit (x64) versions of Windows except the KB4078130 update that was offered to disable mitigation against Spectre Variant 2.
Security updates to Internet Explorer, the Microsoft Graphics component, Windows Kernel, Windows Shell, Windows MSXML, Windows Installer, and Windows Hyper-V.
For more information about the resolved security vulnerabilities, see the Security Update Guide.
Known issues in this update
|Because of an issue that affects some versions of antivirus software, this fix applies only to computers on which the antivirus ISV updated the ALLOW REGKEY.|| |
Contact your antivirus manufacturer to verify that their software is compatible and that they have set the following REGKEY on the computer: