Microsoft releases emergency patch for all versions of Windows

July 21st 2015

Microsoft has released an emergency patch for a critical flaw that could allow someone to take over your computer by getting you to open a document or by directing you to a webpage.

According to a Microsoft advisory released on Monday, an attacker using the vulnerability could ‘install programs, view, change, or delete data, or create new accounts with full user rights’.

Microsoft said it believed that the flaw was public, but they do not have any evidence to suggest that it is being actively exploited.  It affects all version of Windows, including Windows Vista, Windows 7, Windows 8 and 8.1, and business and server versions of the operating system.

It has been recommended by Microsoft that users download and install the patch as soon as possible.  The patch can be installed by running Windows Update and this is accessible via the Start button. If you have updates set to install automatically, the update should already have been installed on connected computers.

Security researchers from Google's Project Zero and FireEye were credited with finding the flaw.

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