Not all software is equally affected by this, browsers are particularly affected because they have a JavaScript VM running untrusted code. But Site Isolation h

Not all software is equally affected by this, browsers are particularly affected because they have a JavaScript VM running untrusted code. But Site Isolation has been in the works in Chrome for a long time and it brings additional protections because it means that exploiting a renderer process doesn't let you break the SOP, which means you absolutely have to break out of the renderer process to have a meaningful exploit - completely removing the renderer codebase from your trusted computing base.