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Cumulative update brings batch of fixes to Windows 10 Slow ring users

It looks like Fast ring Insiders aren't the only Windows 10 testers getting an update today, as those on the Slow ring also have something to look forward to — albeit much more minor. Specifically, a new cumulative update is bringing a batch of security updates and fixes to the Slow ring users on Windows 10 build 14295.

As detailed by Microsoft (opens in new tab), here's a quick look at the vulnerabilities this update fixes:

  • 3148528 MS16-048: Security update for CSRSS: April 12, 2016
  • 3148538 MS16-046: Security update for secondary logon: April 12, 2016
  • 3148541 MS16-040: Security update for Microsoft XML core services: April 12, 2016
  • 3148522 MS16-039: Security update for Microsoft Graphics Component: April 12, 2016
  • 3148532 MS16-038: Cumulative security update for Microsoft Edge: April 12, 2016
  • 3148531 MS16-037: Cumulative security update for Internet Explorer: April 12, 2016

As a refresher, a cumulative update also contains all previously released fixes. As Microsoft notes, only new fixes will be installed if you've installed previous updates.

Regardless, if you're a Windows Insider on the Slow ring, you should be able to pull down the latest fixes via Windows Update now.

Dan Thorp-Lancaster is the Editor in Chief for Windows Central. He began working with Windows Central as a news writer in 2014 and is obsessed with tech of all sorts. You can follow Dan on Twitter @DthorpL and Instagram @heyitsdtl. Got a hot tip? Send it to

  • I didn't know insider rings got cumulative updates
  • Well, I was in slow ring and got quite a bit nervous when I saw that a Redstone build had been installed. Now they seem to really care for those that do not want taking too much risks, and are delivering updates. This is already the second one, and it is pretty stable. The only thing I have to complain is that Edge still uses quite more CPU (on slower machines this is noticeable) than eg. Vivaldi, esp. on sites with heavy advertising. This site, with Edge, and doing absolutely nothing, uses about 10% CPU, with Vivaldi, its about 5%.
  • Why were you nervous/surprised when a RS build has been installed on Slow ring??? Once TH2 was reached & fully stabilised, it was predictable that Fast & then Slow would migrate to RS branch builds. But yes I get your main point, good to see them doing this for the Slow ring users...
  • Mobile as well
  • Windows 10 Mobile also got the update today :) Posted via Universal Windows App on W10
  • I am impressed. They really care. Kudos to them...
  • What about folks on 15586.218 build?!
  • Entirely different branch of development. This update is useless to Threshold users. Windows Central for Windows 10-Microsoft Lumia 640
  • These are all security updates. 218 got them last week.
  • It's "10586.218"...
  • For some reason I'm only seeing this update and not the new Fast Ring update, yet I just reenrolled in the Fast Ring. Anyone have any suggestions what to do? Posted from Windows Central for Windows 10
    Using the Alcatel OneTouch Fierce XL for Windows 10 (Redstone)
  • The PC insider takes about a day to change rings. I reinstalled Windows 10 on my Surface Wednesday night and couldn't get redstone till yesterday evening.
  • Thank you! I'll check again in 24hrs.
  • they need to find a new name for their beta testers...
  • Camera, probema la redare video de clipuri dupa RESTON 14 295.1005 baterie ok 39 h .640 lte