Materialized exploit

CVE-2025-49744

HIGH

1 public exploit(s) for this CVE, 1 materialized with their code.

For defensive research only. Only test on systems you own or have written authorization for. Unauthorized access is illegal.

ExploitDB local windows

Source

Microsoft Graphics Component Windows 11 Pro (Build 26100+) - Local Elevation of Privileges

By nu11secur1ty

How to test this exploit

Local exploit. Run on a vulnerable install in a throwaway VM and verify the privilege escalation.

Code txt

**Exploit Title : Microsoft Graphics Component Windows 11 Pro (Build 26100+) - Local Elevation of Privileges
**Author:** nu11secur1ty
**Date:** 07/11/2025

---

## Overview

This repository contains a PowerShell script to **validate whether a
Windows 11 system is vulnerable to CVE-2025-49744**—a critical local
privilege escalation vulnerability involving the `gdi32.dll` and
`win32kfull.sys` system components.

The script performs the following checks:

- Windows build number validation
- Installed hotfixes, focusing on July 2025 patches including **KB5039302**
- Binary timestamp verification of critical system files
- Safe, non-destructive GDI32 API interaction test

---

## PoC Validator
[href](https://raw.githubusercontent.com/nu11secur1ty/CVE-mitre/refs/heads/main/2025/CVE-2025-49744/Validate-CVE-2025-49744-PoC.ps1)

## Usage

1. Open **PowerShell as Administrator**.
2. Download or clone this repository to your system.
3. Run the script:

```powershell
.\Validate-CVE-2025-49744-PoC.ps1

## Output

[CVE-2025-49744 PoC Validator] by nu11secur1ty

[*] Windows Build Number: 26100

[*] July 2025 Hotfixes installed:
    -> KB5056579 (7/9/2025)
    -> KB5039302 (7/9/2025)

[*] Checking critical system binary timestamps:
    gdi32.dll: Version 10.0.26100.4484, Last Write Time: 7/9/2025
        [✓] Binary appears patched.

[*] Running safe GDI32 API interaction test...
    [+] GDI32 CreateSolidBrush succeeded (handle: 12345)

[✓] SYSTEM STATUS: Patched against CVE-2025-49744.
```

## Important Notes

- This script does not exploit or alter the system. It only performs
validation and safe API calls.
- Keep your system regularly updated with official Microsoft patches.
- Use this tool for awareness and compliance in your security assessments.

## License
MIT License (or specify your preferred license)

## References

- [CVE-2025-49744](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49744)
on MITRE
- Microsoft Security Bulletin - July 2025
- PowerShell documentation

## Video demo:
[href](https://www.youtube.com/watch?v=SR2pWoncfw4)

## Buy the real exploit:
[href](https://satoshidisk.com/pay/COq10D)

## Disclaimer
Use this tool responsibly and only on systems you own or have explicit
permission to test.


--

System Administrator - Infrastructure Engineer
Penetration Testing Engineer
Exploit developer at https://packetstorm.news/
https://cve.mitre.org/index.html
https://cxsecurity.com/ and https://www.exploit-db.com/
0day Exploit DataBase https://0day.today/
home page: https://www.nu11secur1ty.com/
hiPEnIMR0v7QCo/+SEH9gBclAAYWGnPoBIQ75sCj60E=
                          nu11secur1ty <http://nu11secur1ty.com/>