Windows 10 updates strengthen Microsoft Edge with industry-leading enforcement against loading unauthorized DLLs into Microsoft Edge content processes. Uninvited extensions can degrade performance, stability, and security of the browser. Microsoft Edge is hardened to protect user settings without the users consent. Blocking DLL injection makes browser exploits more difficult and more expensive for attackers to carry out. We are committed to continuing to reinforce Microsoft Edge against unwanted content and malicious content, and are hard at delivering an extension model that will serve these principles.”]
Source: https://blogs.windows.com/msedgedev/2015/11/17/microsoft-edge-module-code-integrity/