Microsoft released a security advisory indicating that they are investigating public reports of a vulnerability in Internet Explorer 8. They are quick to state that they are not aware of attacks that attempt to exploit this vulnerability.
Other versions of Internet Explorer are not affected. So changing to Internet Explorer 6, 7, 9 or 10 would eliminate this risk.
According to Microsoft “This is a remote code execution vulnerability. The vulnerability exists in the way that Internet Explorer accesses an object in memory that has been deleted or has not been properly allocated. The vulnerability may corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user within Internet Explorer. An attacker could host a specially crafted website that is designed to exploit this vulnerability through Internet Explorer and then convince a user to view the website.
On completion of this investigation, Microsoft will take the appropriate action to protect our customers, which may include providing a solution through our monthly security update release process, or an out-of-cycle security update, depending on customer needs.”
Please see their advisory for additional information.
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