---
id: 8537
title: "[CVE-2026-66804] Windows Exploitation Techniques: Dangling COM Object Registrations"
cve: CVE-2026-66804
source_domain: projectzero.google
source_url: "https://projectzero.google/2026/09/windows-dangling-com.html"
published_at: "2026-09-21T00:00:00Z"
tags: ["privilege-escalation", "windows", "exploitation", "vulnerability", "project-zero", "com"]
phying_url: "https://phying.com/item/8537"
lang: en
---

# [CVE-2026-66804] Windows Exploitation Techniques: Dangling COM Object Registrations

## Summary

A Google Project Zero blog post examining a Windows privilege escalation technique involving dangling COM object registrations, which Microsoft addressed in a recent security update.

## Intelligence Metadata

- **Sources:** projectzero.google
- **CVE:** CVE-2026-66804
- **Published:** 2026-09-21T00:00:00Z
- **Original:** https://projectzero.google/2026/09/windows-dangling-com.html
- **Phying News:** https://phying.com/item/8537