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Today, we released Security Advisory 2963983 regarding an issue that impacts Internet Explorer. At this time, we are only aware of limited, targeted attacks. This issue allows remote code execution if users visit a malicious website with an affected browser. This would typically occur by an attacker convincing someone to click a link in an email or instant message.
Our initial investigation has revealed that Enhanced Protected Mode, on by default for the modern browsing experience in Internet Explorer 10 and Internet Explorer 11, as well as Enhanced Mitigation Experience Toolkit (EMET) 4.1 and EMET 5.0 Technical Preview, will help protect against this potential risk. We also encourage you to follow the "Protect Your Computer" guidance of enabling a firewall, applying all software updates and installing anti-virus and anti-spyware software. Additionally, we encourage everyone to exercise caution when visiting websites and avoid clicking suspicious links, or opening email messages from unfamiliar senders. Additional information can be found at www.microsoft.com/protect.
We are monitoring the threat landscape very closely and will continue to take appropriate action to help protect customers.
Thank you, Dustin Childs Group Manager, Response Communications Trustworthy Computing