A new IE zero-day exploit has been discovered by researchers at FireEye. This exploit is interesting because of the unknowns: Without code to make the exploit persistent, we don’t know what the attacker is after.

The recent Internet Explorer vulnerability (CVE-2013-3893) announced by Microsoft last week is being exploited as part of a targeted attack FireEye is referring to as “Operation DeputyDog”. “Today, we released a Fix it workaround tool to address a new IE vulnerability that had been actively exploited in extremely limited, targeted