Windows update rollups

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Uber Geek
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#214514 15-May-2017 14:02

Hi there
Windows 7 PC (and other versions of Win, same question)
Hasnt been updated for a while (lets say several months)

Run Winupdate it downloads & installs May rollup, but NOT the April & May rollup

Are all the patches from April & March included in the May update ?

I cant find any info on MS's site regarding this. I see the potential issue that PC's that havnt updated for a while wont get the older
rollups & all the patches incl in those rollups

evnafets

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#1782566 15-May-2017 14:16

Answer: yes.

Presuming you are referring to the May Patch: https://support.microsoft.com/en-us/help/4019264

"This security update includes improvements and fixes that were a part of update KB4015552 (released April 18, 2017) and also resolves the following:"

Clicking that link brings you to a page with "This non-security update includes improvements and fixes that were a part of Monthly Rollup KB4015549 (released April 11, 2017)"

And then "This security update includes improvements and fixes that were a part of update KB4012218 (released March 21, 2017)"

Each one links to and builds on the one from before.

If you want you can also click on the link under the "File Information" section to get a list of all files changes / dates updated.

jamesrt

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#1782567 15-May-2017 14:16

This Microsoft Blog post confirms that Rollups are cumulative (i.e. each rollup contains and supersedes all previous rollups)