---
id: 2121
title: "Counterfeit Object-Oriented Programming"
source_domain: bugpwn.com
source_url: "https://bugpwn.com/blog/coop.html"
published_at: "2026-06-05 00:00"
tags: ["vulnerability-research", "exploitation", "binary-exploitation", "cpp", "code-reuse", "vtable", "coop", "cfi-bypass", "exploitation-techniques", "code-reuse-attack"]
phying_url: "https://phying.com/item/2121"
lang: en
---

# Counterfeit Object-Oriented Programming

## Summary

Counterfeit Object-Oriented Programming (COOP) chains legitimate C++ virtual calls via vtables to bypass CFI. The guide covers gadget mechanics, countermeasures, and a hands-on exploitation lab.

## Intelligence Metadata

- **Sources:** bugpwn.com
- **Published:** 2026-06-05 00:00
- **Original:** https://bugpwn.com/blog/coop.html
- **Phying News:** https://phying.com/item/2121