Customers who have not enabled automatic updating need to check for updates and install this update manually. Recommendation. Most customers have automatic updating enabled and will not need to take any action because this security update will be downloaded and installed automatically. For more information about the vulnerabilities, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability entry under the next section, Vulnerability Information. The security update addresses the vulnerabilities by modifying the way that Internet Explorer handles objects in memory. For more information, see the subsection, Affected and Non-Affected Software, in this section. This security update is rated Critical for Internet Explorer 6, Internet Explorer 7, Internet Explorer 8, Internet Explorer 9, and Internet Explorer 10 on Windows clients and Moderate for Internet Explorer 6, Internet Explorer 7, Internet Explorer 8, Internet Explorer 9, and Internet Explorer 10 on Windows servers.
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.
An attacker who successfully exploited these vulnerabilities could gain the same user rights as the current user. The most severe vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. This security update resolves thirteen privately reported vulnerabilities in Internet Explorer.
Version: 1.2 General Information Executive Summary Security Bulletin Microsoft Security Bulletin MS13-009 - Critical Cumulative Security Update for Internet Explorer (2792100)
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