Microsoft released its pre-announcement for the upcoming patch Tuesday. The summary indicates a total of 8 bulletins, 2 are critical with remote code execution and 6 Important with a mix of remote code execution, elevation of privileges, denial of service and security bypass features. The announcement is available here.

[1] https://technet.microsoft.com/library/security/ms14-may

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Guy Bruneau IPSS Inc. gbruneau at isc dot sans dot edu