CVE-2026-27923 Windows桌面窗口管理器权限提升漏洞

/* * PoC Concept for CVE-2026-27923 * This code demonstrates the logic to trigger a Use-After-Free in DWM. * Note: Actual exploit requires memory layout manipulation and specific API calls. */ #include <windows.h> #include <stdio.h> // Simulated trigger for the vulnerability void TriggerUAF() { HANDLE hDwmObject = NULL; // Step 1: Create/Alloc vulnerable object in DWM // In a real scenario, this would be a specific DWM API call printf("[*] Allocating vulnerable object...\n"); // Step 2: Trigger the Free operation // The object is freed but a reference is kept printf("[*] Triggering object free...\n"); // Step 3: Use the freed object (UAF) // Attacker controls this memory via Heap Spray before this access printf("[*] Accessing freed memory to corrupt control flow...\n"); // If successful, code execution is achieved here } int main() { printf("CVE-2026-27923 PoC Trigger\n"); TriggerUAF(); return 0; }