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Mistakenly-deployed test patch leads to suspicious Windows update

Published: 2015-09-30
Last Updated: 2015-09-30 19:41:24 UTC
by Brad Duncan (Version: 1)
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Earlier today, various sources reported a highly-suspicious Windows update.  According to Ars Technica, a Microsoft spokesperson stated the company had incorrectly published a test update and is in the process of removing it [1].  The update is no longer available, and ZDNet has confirmed this was a test update "gone errant" [2].

Shown above: A screenshot someone posted on a Microsoft community forum [3].

Thanks to everyone who notified us at the ISC.  See the references below for further information.

Brad Duncan
Security Researcher at Rackspace
Blog: - Twitter: @malware_traffic



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