Scroll to the bottom to see the Android version and Build number of your Pixel. Tap Android version for more details, including the monthly security patch date, baseband, and kernel version.

If you want to manually update your Android device, you can find available updates in the Settings app.

A large number of Android devices (including all Nexus devices) running kernel versions 3.4, 3.10, and 3.14 are affected by a vulnerability that allows an app to gain root access.