CVE-2026-32155 Windows桌面窗口管理器权限提升漏洞

/* * PoC Concept for CVE-2026-32155 * Demonstrates the trigger logic for UAF in DWM. */ #include <windows.h> // Simulated function to allocate DWM resource HANDLE AllocateDwmResource() { // In a real scenario, this interacts with dwm.exe return (HANDLE)0x12345678; } // Simulated function to free the resource (Vulnerable trigger) void FreeDwmResource(HANDLE hRes) { // Trigger the Use-After-Free condition CloseHandle(hRes); } void TriggerExploit() { printf("[*] Allocating resource..."); HANDLE hTarget = AllocateDwmResource(); printf("[*] Triggering Free (UAF)..."); FreeDwmResource(hTarget); // The pointer hTarget is now stale but DWM still references it printf("[*] Occupying memory with controlled payload..."); // Heap grooming logic would go here to reclaim the freed memory printf("[*] Triggering Use (Crash or Exec)..."); // Call DWM API that uses the freed handle // UseDwmHandle(hTarget); } int main() { TriggerExploit(); return 0; }