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

• CVE-2025-49744

Exploit Title : Microsoft Graphics Component Windows 11 Pro (Build 26100+) – Local Elevation of Privileges Author: nu11secur1ty Date:**…

**Exploit Title : Microsoft Graphics Component Windows 11 Pro (Build 26100+) – Local Elevation of Privileges

**Author:** nu11secur1ty

**Date:** 07/11/2025

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## 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

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## 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