(The Verge) Today, Google’s Threat Analysis group disclosed a critical vulnerability in Windows in a public post on the company’s security blog. The bug itself is very specific — allowing attackers to escape from security sandboxes through a flaw in the win32k system — but it’s serious enough to be categorized as critical, and according to Google, it’s being actively exploited. As a result, Google went public just 10 days after reporting the bug to Microsoft, before a patch could be coded and deployed. The result is that, while Google has already deployed a fix to protect Chrome users, Windows itself is still vulnerable — and now, everybody knows it.
Google’s disclosure provides only a general description of the bug, giving users enough information to recognize a possible attack without making it too easy for criminals to replicate. Exploiting the bug also depends on a separate exploit in Adobe Flash, for which the company has also released a patch. Still, simply knowing that the bug exists will likely spur a lot of criminals to look for viable ways to exploit it against computers that have yet to update Flash.
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