Windows 10 Cumulative Update updates Windows 10 to the latest build offline, so you always have the most recent installation files.

Windows 10 Cumulative Update updates Windows 10 to the latest build offline, so you always have the most recent installation files.

This update includes quality improvements. No new operating system features are being introduced in this update. Key changes include:

Provides protections against an additional subclass of speculative execution side-channel vulnerability known as Speculative Store Bypass (CVE-2018-3639) for AMD-based computers. These protections aren't enabled by default. For Windows client (IT pro) guidance, follow the instructions in KB4073119. For Windows Server guidance, follow the instructions in KB4072698. Use these guidance documents to enable mitigations for Speculative Store Bypass (CVE-2018-3639). Additionally, use the mitigations that have already been released for Spectre Variant 2 (CVE-2017-5715) and Meltdown (CVE-2017-5754).
Addresses an issue that prevents users from signing in to a Microsoft account (MSA) as a different user if signing in a second time.
Addresses an issue that denies file system access to Internet of Things (IoT) Universal Windows Platform (UWP) apps that require this capability.
Addresses an issue that causes the on-screen keyboard to appear when running automated tests or when you install a physical keyboard.
Security updates to Microsoft Edge, Windows Scripting, Internet Explorer, Windows App Platform and Frameworks, Windows Graphics, Windows Media, Windows Kernel, Windows Server, and Windows Wireless Networking.

If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device

KB4465664 Servicing Stack update that fixes a BitLocker Device Encryption vulnerability (Servicing stack update for Windows Server 2019 and Windows 10, version 1809: November 13, 2018)
KB4470646 Security update that fixes an elevation of privilege vulnerability (Security update for Windows 10 version 1809 Applies to: Windows 10, version 1809)
KB4467694 Adobe Flash Player update (Security update for Adobe Flash Player: November 13, 2018)

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