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PrivEsc: Group Policy Preference Passwords

Published: 11 December 2015    Last Updated: 05 July 2023

Group Policy Preferences (GPP) was an addition to Group Policy to extend its capabilities to, among other things, allow an administrator to configure: local administrator accounts (including their name and password), services or schedule tasks (including credentials to run as), and mount network drives when a user logs in (including connecting with alternative credentials).

GPP are distributed just like normal group policy, meaning that an XML file is stored in the SYSVOL share of the domain controllers and when a user logs in their system queries the share and pulls down the policy.

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