>>Just a heads-up:
>>
>>US-CERT is aware of active exploitation of a use-after-free vulnerability in Microsoft Internet Explorer. This vulnerability affects IE versions 6 through 11 and could lead to the complete compromise of an affected system.
>>
>>US-CERT recommends that users and administrators enable Microsoft EMET where possible and consider employing an alternative web browser until an official update is available.
>>
>>https://www.us-cert.gov/ncas/current-activity/2014/04/28/Microsoft-Internet-Explorer-Use-After-Free-Vulnerability-Being
>
>So, if I have IE installed but closed and using Google Chrome for browsing, do you think I may be affected?

No, I don't think that is a problem. Contrary to Craig's (iow MS's marketing dept.) response, which only tries to diminish the severity of this issue, the US-CERT are not prone to fear mongering and I suggest you take this vulnerability seriously as " ... Note that this vulnerability is being exploited in the wild"