It's a busy day for IT administrators and information security professionals. Not only is today Microsoft's Patch Tuesday for the month of April, it is also the day of Adobe's quarterly security updates. In total, there are 40 vulnerabilities being addressed today--many of them rated as critical and exposing systems to potential remote exploits.

A Microsoft spokesperson e-mailed the following "Today, as part of its routine monthly security update cycle, Microsoft is releasing 11 security bulletins to address 25 vulnerabilities: five rated Critical, five rated Important and one rated Moderate. This month's release affects Windows, Microsoft Office, and Microsoft Exchange. Additionally, the Malicious Software Removal Tool (MSRT) was updated to include Win32/Magania."

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