CVE-2025-32709 PoC — Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability

Description

Real-world patching workflow for CVE-2025-32709. From hotfix install to SIEM alert validation—this repo documents every step with screenshots, commands, and detection logic.

Readme

# How to Patch CVE-2025-32709 Vulnerbility
Real-world patching workflow for CVE-2025-32709. From hotfix install to SIEM alert validation—this repo documents every step with screenshots, commands, and detection logic.


![IMG_5389](https://github.com/user-attachments/assets/45a8cfbc-873f-4ec8-8a32-ca9e16c9f854) 

Screenshot of the Wazuh Vulnerability Detection dashboard showing CVE-2025-32709 flagged as a high-severity vulnerability on a Windows 10 Pro endpoint. The agent window10 (004) is reporting one high-severity issue, confirming that the system is currently exposed. This image serves as the pre-patch baseline for validating remediation steps.

#1 Step:  Install the May 2025 Cumulative Update
Microsoft released the fix for CVE-2025-32709 in the May 2025 Patch Tuesday update. The patch is included in KB5058379 for Windows 10.
To install it manually:
- Go to Microsoft Update Catalog
- Search for KB5058379
![Screenshot_3-9-2025_202237_www catalog update microsoft com](https://github.com/user-attachments/assets/db1cd050-62ca-4758-8dad-9906b5ca4abb)
#2 Step:  Download the correct version for your Windows 10 build (x64-based systems)
![IMG_5384](https://github.com/user-attachments/assets/17eb8473-d871-49d8-bd9b-a7117b42dbfc)
- Run the .msu installer and reboot
- Click Check for updates
- Install the May 2025 cumulative update
- Reboot your system
![IMG_5388](https://github.com/user-attachments/assets/b3e26137-8b49-4fb3-a3c3-ae880e95ac42)
![IMG_5386](https://github.com/user-attachments/assets/50b7258b-19b5-4511-8dd6-d860b58190fd)

#3 Step: Go back wazuh vulnerability detection dashboard and search for the "CVE-2025-32709" Vulnerbility, it should say "No results match your search criteria" because we have patched the vulnerbility!!!!!
![IMG_5393](https://github.com/user-attachments/assets/e933aba4-c57c-4550-acf1-7a47a303c52d)

My linkedIn: https://www.linkedin.com/in/adnan-siyat-439542309/  

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