Exploit for Double Free in Microsoft CVE-2025-62215

## https://sploitus.com/exploit?id=726362CB-D8B8-5CD7-80C5-5B5DE1A304F4
# CVE-2025-62215 Vulnerability Analysis

Windows Kernel Race Condition / Double-Free Privilege Escalation の脆弱性調査プロジェクト。

## Overview

| Item | Detail |
|------|--------|
| **CVE** | CVE-2025-62215 |
| **Component** | Windows Kernel (ntoskrnl.exe) |
| **Type** | Race Condition (CWE-362) / Double Free (CWE-415) |
| **Impact** | Local Privilege Escalation → SYSTEM |
| **CVSS 3.1** | 7.0 (HIGH) — `AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H` |
| **Patch** | November 2025 Patch Tuesday |
| **Status** | CISA KEV registered, actively exploited in the wild |

## Project Structure

```
.
├── README.md          # This file
├── CLAUDE.md          # Project context for Claude Code continuation
├── report.md          # Comprehensive vulnerability report
├── analysis.md        # Static analysis of public PoC code
├── TODO.md            # Next steps and research plan
└── binaries/          # (future) Pre/post-patch ntoskrnl.exe for diffing
```

## Key Findings

1. **CVE-2025-62215** is a real vulnerability patched in November 2025 Patch Tuesday, affecting all supported Windows versions
2. **Public PoC** (`abrewer251/CVE-2025-62215_Windows_Kernel_PE`) was determined to be a **fake/non-functional PoC** through static analysis
   - Uses fictitious API (`NtCreateKernelObject`)
   - User-mode `VirtualAlloc` cannot spray kernel pool
   - No actual privilege escalation mechanism
   - No malware/backdoor elements detected

## Disclaimer

This project is for **educational and authorized security research purposes only**.