A COM Object Could Cause Internet Explorer to Unexpectedly Exit

Microsoft is investigating a new public report of a vulnerability affecting Internet Explorer. We have not been made aware of any attacks attempting to use the reported vulnerability or customer impact at this time, but we are aggressively investigating the public report.

At the completion of this investigation, Microsoft will take the appropriate action to help protect our customers, which may include providing additional mitigation guidance through this Security Advisory, and if appropriate, a security update through our monthly release process or an out-of-cycle security update, depending on the results of the investigation and customer needs.

To help protect your system from this issue Microsoft encourages users to exercise caution when opening links in e-mail. For more information about Safe Browsing, visit the .

We continue to encourage customers to follow our Protect Your PC guidance of enabling a firewall, applying software updates and installing antivirus software. Customers can learn more about these steps at the Protect Your PC Web site.

Customers who believe they may have been affected by this issue can contact Product Support Services. You can contact Product Support Services in North America at no charge using the PC Safety line (1866-PCSAFETY). International customers can contact Product Support Services by using one of the available methods found at the Microsoft Security Help and Support for Home Users Web site.