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February 2011 Cumulative Security Update for Internet Explorer Now Available

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The February 2011 Cumulative Security Update for Internet Explorer is now available via Windows Update. This security update resolves two privately reported vulnerabilities and two publicly disclosed vulnerabilities in Internet Explorer. The vulnerabilities could allow remote code execution if a user views a specially crafted Web page using Internet Explorer or if a user opens a legitimate HTML file that loads a specially crafted library file. An attacker who successfully exploited any of these vulnerabilities could gain the same user rights as the local user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

This security update is rated Critical for Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8 on Windows clients; and Moderate for Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8 on Windows servers. For more information about the vulnerabilities, please see the full bulletin.

Internet Explorer 9 Beta is affected by the vulnerabilities described in this bulletin. Customers running this beta release are encouraged to download and apply the update to their systems. Security updates are available from Windows Update. The security updates for this beta are also available for download from the Microsoft Download Center.

The majority of customers have automatic updating enabled and will not need to take any action because this security update will be downloaded and installed automatically. Customers who have not enabled automatic updating need to check for updates and install this update manually. For information about specific configuration options in automatic updating, see Microsoft Knowledge Base Article 294871.

For administrators and enterprise installations, or end users who want to install this security update manually, Microsoft recommends that customers apply the update immediately using update management software, or by checking for updates using the Microsoft Update service.

—Tyson Storey, Lead Program Manager, Internet Explorer

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    February 09, 2011
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    February 09, 2011
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