Microsoft Patches Zero Day Flaw Used In Two Massive Malvertising Campaigns

Last updated on September 8th, 2018

Microsoft has patched a zero-day vulnerability in Internet Explorer that at least two threat actor groups have used for some time to serve malicious advertisements to between 1 million and 5 million users daily.  Microsoft was first notified about the so-called information disclosure bug in September 2015, security vendor Proofpoint said in an alert this week.