It's Patch Tuesday! Which means Windows 10 cumulative updates are here, bringing a number of fixes to the operating system. Microsoft has started releasing Windows 10 cumulative build10586.420 for both the PC and Mobile users, which is a jump from build 10586.318 released a few weeks ago.

Windows 10 10586.420 released for desktop and mobile

Today's Windows 10 cumulative update is available to both theProduction ring and the Release Preview ring. The update brings quality improvements and security fixes to Mobile and PC users. Here's what's new in Windows 10 for PCs build 10586.420 (KB3163018).

Improved reliability of InternetExplorer11, MicrosoftEdge, Cortana, audio playback, audio playback in Groove Music app, Maps app, Miracast, and Windows Explorer.

Fixed issue with balloon tip notifications always appearing in the upper left side of the screen.

Fixed issue that caused VPN to not work properly when switching between different network interfaces (for example, switching between Wi-Fi and cellular).

Improved Narrator’s ability to read bulleted lists, hyperlinks, and image information.

Fixed issue in location that caused navigation apps to lag behind user’s actual location.

Improved performance of loading webpages in InternetExplorer11 when roaming user profiles are used.

Fixed issue that caused phones to stop ringing from an incoming call, if interrupted by an SMS.

Fixed issue that caused some phones to be unable to re-add a primary Microsoft account without resetting after upgrading from Windows Phone 8.1.

Fixed additional issues with MicrosoftEdge, InternetExplorer11, Bluetooth, Cortana, Wi-Fi, Windows Camera app, revised daylight saving time, USB, TPM, Graphics, Group Policy, downloading music or movies purchased through the Windows Store, Network Diagnostics and Windows Explorer.

Fixed security issues with InternetExplorer11, MicrosoftEdge, Server Message Block (SMB) Server, Microsoft Graphics Component, Group Policy, DNS Server, Windows Diagnostic Hub, Kernel mode drivers, Microsoft Windows PDF, Windows Structured Query, Adobe Flash Player, JScript and VBScript, and Web Proxy Autodiscovery Protocol (WPAD)

Go to Settings > Update & security >Windows update > Check for updatesto install the latest cumulative update on your PC or Mobile device.Release notes for Windows 10 Mobile cumulative update aren't available yet. We will update this space, if Microsoft publishes them.For more details, visitMicrosoft