# CVE-2023-21768 Local Privilege Escalation POC

authors: [chompie]( & [b33f](

For demonstration purposes only. Complete exploit works on vulnerable Windows 11 22H2 systems. 
Write primitive works on all vulnerable systems.


Windows_AFD_LPE_CVE-2023-21768.exe <pid>

where `<pid>` is the process ID (in decimal) of the process to elevate.

Should result in the target process being elevated to SYSTEM

The I/O Ring LPE primitive code is based on the I/ORing R/W [PoC]( by [Yarden Shafir](

Blog post [here](