February 2014 .NET Updates

The .NET Fundamentals Team

As part of our continued effort to bring greater transparency for our customers we are going to start posting here whenever we ship any security fixes for the .NET Framework, this is the first such post.

The .NET team released a security bulletin earlier this week as part of the monthly “patch Tuesday” cycle.

Microsoft Security Bulletin MS14-009 – Important, Vulnerabilities in .NET Framework Could Allow Elevation of Privilege (2916607)

This security update resolves two publicly disclosed vulnerabilities and one privately reported vulnerability in Microsoft .NET Framework. The most severe vulnerability could allow elevation of privilege if a user visits a specially crafted website or a website containing specially crafted web content. In all cases, however, an attacker would have no way to force users to visit such websites. Instead, an attacker would have to convince users to visit the compromised website, typically by getting them to click a link in an email message or in an Instant Messenger message that takes them to the attacker’s website.

This security update is rated Important for Microsoft .NET Framework 1.0 Service Pack 3, Microsoft .NET Framework 1.1 Service Pack 1, Microsoft .NET Framework 2.0 Service Pack 2, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4, Microsoft .NET Framework 4.5, and Microsoft .NET Framework 4.5.1 on affected editions of Microsoft Windows.

More details about the versions affected by this vulnerability can be found in the security bulletin MS14-009.

How to obtain help and support for this security update



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