This security update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:
- 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.
- Security updates to Windows apps, Windows graphics, Windows Shell, Windows datacenter networking, Windows wireless networking, and Windows virtualization.
For more information about the resolved security vulnerabilities, see the Security Update Guide.