CVE-2026-26179 Windows Kernel双重释放漏洞

#include <windows.h> #include <iostream> // Conceptual PoC for Double Free Vulnerability // This is a simulation for educational purposes. typedef struct _VULN_OBJ { int id; PVOID data; } VULN_OBJ; void TriggerDoubleFree() { // Step 1: Allocate memory VULN_OBJ* obj = (VULN_OBJ*)HeapAlloc(GetProcessHeap(), 0, sizeof(VULN_OBJ)); if (!obj) return; obj->id = 1; // Step 2: First Free HeapFree(GetProcessHeap(), 0, obj); printf("[*] Object freed first time.\n"); // Step 3: Use-After-Free / Double Free logic // In a real exploit, attacker would manipulate the heap here. // Step 4: Second Free (The Vulnerability) HeapFree(GetProcessHeap(), 0, obj); printf("[*] Object freed second time. Crash or Exploit triggered.\n"); } int main() { TriggerDoubleFree(); return 0; }