Handling camera and microphone permissions in Electron varies by platform. On macOS, apps are denied access to the camera and microphone by default. To gain access, we must explicitly request these permissions from the user. On the other hand, Windows tends to grant these permissions to apps by default, although users can manually revoke them through the system settings.

Read more: https://www.bigbinary.com/blog/request-camera-micophone-permission-electron