Microsoft Defender Denial of Service Vulnerability
CVSS Details
CVSS Score
4.0
Severity
MEDIUM
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Configurations (Affected Products)
No configuration data available.
Microsoft Defender (具体受影响版本需参考官方安全公告)
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import os
import time
# PoC for CVE-2026-45498 (Conceptual)
# This script demonstrates a conceptual trigger for the Microsoft Defender DoS.
# Note: Actual payload specifics are omitted for safety.
def trigger_vulnerability():
print("[*] Attempting to trigger CVE-2026-45498...")
# In a real scenario, this would involve specific file operations
# or API calls that cause the Defender engine to crash.
try:
# Simulate interaction with a vulnerable interface
# For example, creating a path that triggers a parsing bug
malicious_path = "C:\\Windows\\Temp\\special_trigger.dat"
with open(malicious_path, 'w') as f:
f.write("Malicious_Pattern_Header")
print(f"[+] Trigger file created at {malicious_path}")
print("[+] Waiting for Defender scan interaction...")
time.sleep(2)
print("[!] If vulnerable, Defender service should be unresponsive.")
except Exception as e:
print(f"[-] Error during execution: {e}")
if __name__ == "__main__":
trigger_vulnerability()