If left un-patched, the flaw can allow malicious actors to gain full control over a system.
It's been 20 years since Microsoft foisted Internet Explorer onto our Windows PCs and it's not been without a few hiccups.
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MWC 2015Eager to get your hands on Microsoft's new browser? It's coming to your desktop or laptop very soon.
Seven out of the top 10 exploits in 2014 were carried out using vulnerabilities in old code that have been left open.