Where can I find a list of Windows Update release dates

• Friday, February 08, 2013 8:42 PM

   

   
  

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  I'm working on a project looking at the actual time-to-patch of Windows 7 computers. I can extract the date the computer installed an update, but I'm having trouble getting an official list of when the updates were released by Microsoft. The end goal is to compute how long it took a given computer to install an update after Microsoft released it. 

  Each update has an associated KB number which is mostly unique (Microsoft sometimes re-releases an update under the same KB number). What I'm looking for is a list of KB numbers and the original date they were released for automatic download and installation. 

  Approaches I have tried: 

  • Microsoft maintains a list of security bulletins that have roughly the same release time as the updates. This is very close to what I want, but it only lists the security updates, not the recommended or featured ones. http://technet.microsoft.com/en-us/security/bulletin
  • Microsoft has a page for each update but the page doesn't contain the release date of the update. There are dates on the page but they are the release dates of each file in the update, not the update itself. 
  • There are some third party pages that have release date information, but they aren't official Microsoft pages so I'm unclear how accurate or complete they are. 

  Any ideas?

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