Microsoft Edge - 'UnmapViewOfFile' ACG Bypass

Background: To implement ACG https://blogs.windows.com/msedgedev/2017/02/23/mitigating-arbitrary-native-code-execution/VM4y5oTSGCRde3sk.97, Edge uses a separate process for JIT compiling. This JIT Process is also responsible for mapping native code into the requesting Content Process. In order to...

Microsoft Edge Scripting Engine Remote Memory Corruption Vulnerability(CVE-2017-11802)

No description provided by source. The "String.prototype.replace" method can be inlined in the JIT process. So in the method, all the calls which may break the JIT assumptions must be invoked with updating "ImplicitCallFlags". But "RegexHelper::StringReplace" calls the replace function without...