Cisco Systems issued seven security updates yesterday, all of which patched vulnerabilities in the networking giant’s internetwork operating system (IOS), the software it deploys on the majority of its routers and network switches.

Software giant Microsoft plans to ship seven bulletins in the March 2013 edition of Patch Tuesday. Four of the bulletins are receiving high-severity, critical ratings.Three of the four critically rated bulletins that affect Microsoft Windows, Internet Explorer, Silverlight, Office, and Server Software could lead to remote code execution while the final critically rated bulletin could allow for privilege elevations.

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