Microsoft confirms that targeted attacks have started using a new zero-day vulnerability in Internet Explorer 6 to 11 to remotely execute arbitrary codes.
In their advisory, Microsoft warns of the remote code execution vulnerability CVE-2014-1776, which can be used to corrupt memory and allow attackers to execute whichever malicious codes they want on a vulnerable computer.
This impacts roughly 23% of all global desktop browser users who rely on varying versions of Internet Explorer for browsing.
How Attackers Can Use This
In case of a successful exploit attack, attackers are granted the same rights as the current computer user.
Microsoft further explains that attackers can host a webpages designed to exploit vulnerabilities. These pages let attackers stage web-based attacks. Attackers may then spread the word about the site using ad networks on compromised sites. They can also invite Internet users to go to these sites site via other social engineering tactics like phishing emails and instant messenger chats.
A Problem for XP Users
Microsoft is in the process of patching the vulnerability, however, for Microsoft XP users, support ended on April 8. As such, there will be no security update or technical support for the said operating system—including a patch for the new zero-day vulnerability.
Windows XP is still the second most popular desktop operating system, used on nearly a 17% of all desktop worldwide.
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