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Just a few weeks after The Heartbleed Bug, the media is reporting yet another security exploit that impacts a great number of computer users. While this Internet Explorer exploit appears to be utilized by hijackers targeting specific individuals and organizations, anyone using IE must take steps to protect themselves. Please contact the CIT HelpDesk with any questions or concerns.

CIT recommends that until Microsoft releases updates to secure their browser, use of Internet Explorer be limited to Geneseo websites that require IE. All non-Geneseo websites should be accessed with an alternate browser (Firefox, Google Chrome, etc.).

from Microsoft Security Advisory 2963983

Microsoft is aware of limited, targeted attacks that attempt to exploit a vulnerability in Internet Explorer 6, Internet Explorer 7, Internet Explorer 8, Internet Explorer 9, Internet Explorer 10, and Internet Explorer 11.

The vulnerability 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.


Update: Our Intrusion Prevention System has the ability to block the IE vulnerability that has been in the recent news.  An automatic update that came out this morning which includes protection for this issue. You may view the latest post at

Update 5/2/14: We have approved the security update for the recent Internet Explorer vulnerability for all supported versions of Windows. The update to our Windows servers will likely require a reboot to apply, which should take place at around 4:00am on Saturday, May 3rd.



ARS Technica: Active 0day attack hijacking IE users threatens a quarter of browser market

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