Microsoft has released an out-of-band security advisory on Aug 18, 2015 to address a critical Memory Corruption Vulnerability. It has been referred as MS15-093.

This vulnerability exists in Internet Explorer when the vulnerable versions of Internet Explorer improperly parse specially crafted webpage. An attacker who successfully exploited this vulnerability could gain the same user rights as the current user. It affects all versions of Internet Explorer.

The affected users are suggested to install the update immediately, or apply the workarounds from the advisory. Dell SonicWALL released the IPS signature at the same day to protect their customers:

• IPS: 11089 Internet Explorer Memory Corruption Vulnerability (MS15-093)

The vulnerability is referred by CVE as CVE-2015-2502.