Microsoft warns of Internet Explorer vulnerability

Graham Cluley

It feels like we’ve only just got our heads around the last security vulnerability in Internet Explorer (the one used in “Operation Aurora”), and now here comes another one.

A security advisory published by Microsoft warns of a vulnerability in multiple versions of Internet Explorer, the world’s most popular browser, which could lead to information disclosure.

The flaw was demonstrated at the recent Black Hat conference in Washington DC by security consultant Jorge Luis Alvarez Medina, who showed that exploiting the vulnerability allowed him to examine the contents of every file on a user’s computer.

Microsoft says the group of users at highest risk are those Internet Explorer users still running Windows XP or who have turned off the browser’s Protected Mode feature…

Read more in my article on the Naked Security website.

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Graham Cluley is a veteran of the anti-virus industry having worked for a number of security companies since the early 1990s when he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows. Now an independent security analyst, he regularly makes media appearances and is an international public speaker on the topic of computer security, hackers, and online privacy. Follow him on Twitter at @gcluley, on Mastodon at @[email protected], or drop him an email.