CVE-2026-32153 Windows Speech权限提升漏洞

#include <windows.h> #include <stdio.h> // Conceptual PoC for CVE-2026-32153: Use After Free in Windows Speech // This code demonstrates the logic of a UAF vulnerability. // Actual exploitation requires specific heap grooming and object manipulation. void trigger_exploit() { HANDLE hDevice = NULL; PVOID vulnerable_object = NULL; DWORD bytes_returned; printf("[*] Initializing Windows Speech interaction...\n"); // Step 1: Allocate the vulnerable object // Simulating interaction with the Speech API to allocate memory // AllocObject(&vulnerable_object); printf("[*] Object allocated at: %p\n", vulnerable_object); // Step 2: Trigger the free operation // Sending a specific request to the driver/service that frees the object // Vulnerability: The pointer is not nulled out after free // FreeObject(vulnerable_object); printf("[*] Triggering memory free...\n"); // Step 3: Heap Grooming / Reallocation // Occupy the freed memory space with controlled data (payload) // SprayHeap(); printf("[*] Reclaiming freed memory with payload...\n"); // Step 4: Trigger Use-After-Free // The system attempts to use the dangling pointer, executing attacker-controlled code // UseObject(vulnerable_object); printf("[*] Triggering Use-After-Free...\n"); printf("[+] Exploit logic complete. Privilege elevation attempted.\n"); } int main() { trigger_exploit(); return 0; }