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Windows 10 Current Branch Upgraded to Build 10586.318 with May Cumulative Update
The May 2016 Cumulative Update for Windows 10 delivers stability and security fixes for users on both desktop and mobile devices.
3 Min Read
Microsoft has released the May 2016 Cumulative Update for Windows 10 in the Current Branch (Build 10586.218) under KB3156421 and it updates Windows 10 Current Branch to Build 10586.318 on both desktops, tablets and mobile devices.
This update was fully expected today since it is Microsoft's monthly Patch Tuesday and is used to address security related issues in various Microsoft products.
Although the knowledge base article is not yet live we can see a summary of the updates for both platforms from the Windows 10 Version 1511 Updates Page and the May Cumulative Update announcement for Windows 10 Mobile on the Microsoft Answers Community.
Here is a quick breakdown for each platform area:
Desktop
Improved reliability in a number of areas including Cortana, Bluetooth, Shell, Internet Explorer 11, Microsoft Edge, Miracast, and USB.
Fixed memory leak that occurs when opening a portable document format (PDF) form multiple times.
Fixed issues with text alignment for right to left languages in Internet Explorer 11 and Microsoft Edge.
Fixed issue that affected Bluetooth function when a PC resumes from sleep.
Fixed issue where user accounts weren't locked out after a number of failed sign in attempts.
Fixed issue with revised daylight saving time.
Fixed issue that sometimes corrupts CompactFlash cards inserted into a card reader.
Fixed issue that caused recorded video to be lost when answering an incoming call on some phones.
Fixed issue that could result in unexpected battery drain while the phone screen is off.
Fixed additional security issues with kernel mode drivers, remote procedure calls, the Microsoft Graphics Component, Internet Explorer 11, Microsoft Edge, Windows Shell, Windows Journal, Virtual Secure Mode, Schannel, and Jscript.
Mobile
Reliability, performance and stability improvements.
Fix for a problem that could result in unexpected battery drain while the phone screen is off.
Improvements to the update system to prevent phones getting into a state where attempting to take an update may lead to errors 0x800f081f or 0x80070570.
Fix for a problem that caused some phones to finish the initial setup wizard with an incomplete set of app tiles on the Start screen.
Improvements to the reliability of USB-C connections.
Improvements to Cortana, including a fix for a problem where music playback would not resume after dismissing an incoming text, and a problem with Quiet Hours not setting automatic rules for every day.
Fix for a problem that could result in the phone to hang or restart when visiting certain web pages in Microsoft Edge.
Fix for a problem that caused recorded video to be lost when answering an incoming call on some phones.
Improvements for reliability of internet connection sharing (ICS) and tethering.
Fix for a problem that caused the navigation bar to overlay and hide part of the screen for some apps on certain phones.
Knowledge Base Article 3156421 should be live later today.
If you own a Surface Book or Surface Pro 4 be sure you also grab the updated drivers that were released earlier today for those devices as part of the May 2016 Surface updates.
But, wait...there's probably more so be sure to follow me on Twitter and Google+.
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