LPE exploit for CVE-2023-21768# CVE-2023-21768 Local Privilege Escalation POC
authors: [chompie](https://twitter.com/chompie1337) & [b33f](https://twitter.com/FuzzySec)
For demonstration purposes only. Complete exploit works on vulnerable Windows 11 22H2 systems.
Write primitive works on all vulnerable systems.
Usage:
```
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](https://github.com/yardenshafir/IoRingReadWritePrimitive) by [Yarden Shafir](https://twitter.com/yarden_shafir)
Blog post [here](https://securityintelligence.com/posts/patch-tuesday-exploit-wednesday-pwning-windows-ancillary-function-driver-winsock/)
[4.0K] /data/pocs/a6d50125007287f9e076f0a449a8ada4fdd797bf
├── [ 798] README.md
├── [4.0K] Windows_AFD_LPE_CVE-2023-21768
│ ├── [6.2K] exploit.c
│ ├── [2.3K] ioring.h
│ ├── [8.0K] ioring_lpe.c
│ ├── [7.0K] win_defs.h
│ ├── [6.7K] Windows_AFD_LPE_CVE-2023-21768.vcxproj
│ └── [1.3K] Windows_AFD_LPE_CVE-2023-21768.vcxproj.filters
└── [1.5K] Windows_AFD_LPE_CVE-2023-21768.sln
1 directory, 8 files