This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:
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Provides protections for an additional vulnerability involving side-channel speculative execution known as Lazy Floating Point (FP) State Restore (CVE-2018-3665) for 64-Bit (x64) versions of Windows.
- Updates Internet Explorer's Inspect Element feature to conform to the policy that disables the launch of Developer Tools.
- Addresses an issue that, in some cases, causes the wrong IME mode to be chosen on an IME-active element.
- Addresses an issue where DNS requests disregard proxy configurations in Internet Explorer and Microsoft Edge.
- Addresses additional issues with updated time zone information.
- Security updates to Internet Explorer, Microsoft Edge, Windows apps, Windows graphics, Windows datacenter networking, Windows virtualization, Windows kernel, and Windows Server.
If you installed earlier updates, only the new fixes in this package will be downloaded and installed on your device.
For more information about the resolved security vulnerabilities, see the Security Update Guide.
Windows Update Improvements
Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 Feature Update based on device compatibility and Windows Update for Business deferral policy. This does not apply to long-term servicing editions.