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