CRITICAL CVSS 10.0
Published: 2026-06-04

CVE-2026-48567

microsoft azure_horizondb Security Advisory (CVE-2026-48567)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2026-48567 impacting microsoft azure_horizondb. Evaluated with CVSS Base Score of 10.0 (CRITICAL).

Original NVD Description

Source: NIST NVD
Authentication bypass by spoofing in Azure HorizonDB allows an unauthorized attacker to elevate privileges over a network.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Network (AV:N)
Exploitable remotely across internet boundaries
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
None (PR:N)
Unauthenticated execution
User Interaction
None (UI:N)
Zero human interaction required
Scope
Changed (S:C)
Impacts components beyond caller authority
Confidentiality
None (C:N)
No data confidentiality impact
Integrity
High (I:H)
Total modification of target system
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product microsoft / azure_horizondb
Affected Versions -
Weakness Enumeration CWE-290

Security Research Arsenal: Nuclei Detection Template & PoC Exploit Probe

High-Intent Research Tool

Ready-to-use security scanner signatures, active verification probe skeletons, and remediation playbooks for CVE-2026-48567 impacting microsoft azure_horizondb.

⚡ Nuclei Detection Template (YAML) cve-2026-48567.yaml
id: cve-2026-48567

info:
  name: microsoft azure_horizondb - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: critical
  description: |
    Automated signature & scanner for CVE-2026-48567 affecting microsoft azure_horizondb.
    Evaluation: Authentication bypass by spoofing in Azure HorizonDB allows an unauthorized attacker to elevate privileges over a network....
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2026-48567
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H
    cvss-score: 10.0
    cve-id: CVE-2026-48567
    cwe-id: CWE-290
  tags: cve,cve-2026-48567,microsoft,azure_horizondb,critical

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "azure_horizondb"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2026-48567.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-48567
# Target: microsoft azure_horizondb | CVSS: 10.0 (CRITICAL)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2026-48567 (microsoft azure_horizondb)...")
    headers = {
        "User-Agent": "CyberVault-Audit-Scanner/2.0",
        "Accept": "*/*"
    }
    try:
        r = requests.get(f"{target_url.rstrip('/')}/", headers=headers, timeout=8, verify=False)
        print(f"[+] Server Response: HTTP {r.status_code} | Server Banner: {r.headers.get('Server', 'Unknown')}")
        if r.status_code < 500:
            print(f"[!] Target reachable. Verify version against microsoft azure_horizondb scope (-).")
        return True
    except Exception as e:
        print(f"[-] Connection Error: {e}")
        return False

if __name__ == '__main__':
    url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8080"
    verify_vulnerability(url)
🛡️ Quick Patch & Remediation Script (Bash) patch_cve-2026-48567.sh
# Recommended Remediation & Patching Commands for CVE-2026-48567
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install azure_horizondb 2>/dev/null || \
sudo dnf upgrade azure_horizondb 2>/dev/null || \
sudo yum update azure_horizondb

# 2. Inspect installed package versions for vulnerable scope:
dpkg -l | grep -i azure_horizondb 2>/dev/null || rpm -qa | grep -i azure_horizondb

# 3. Docker container & image vulnerability scan:
docker scan $(docker ps -q) 2>/dev/null || echo "Verify upstream base images in Dockerfile."

🛡️ Remediation & Security Action

  • Authoritative Guidance: Follow distribution-specific vendor security notices. Advisory status and package patches vary by distribution release.
  • Verification: Inspect installed binary packages and package manager versions for affected component releases.
  • Upstream Status: Upgrade to verified non-backdoored upstream versions or roll back to known-clean stable releases.
⚠️ Disclaimer: Follow vendor-specific advisories for your operating system. CyberVault does not fabricate unsupported remediation scripts.

🔗 Verified Technical References

Authorities
  • No records filed in this category.
Distributions
  • No records filed in this category.

❓ Frequently Asked Questions (FAQ) & Remediation Guide

How do I fix CVE-2026-48567 in microsoft azure_horizondb?

Review vendor-specific security notices and update microsoft azure_horizondb packages to the latest patched release immediately. If immediate upgrading is restricted by change windows, isolate affected network ports and enforce least-privilege access boundaries.

Is there an active exploit or public PoC for CVE-2026-48567?

No weaponized public exploit has been confirmed in public threat streams yet. Continuous surveillance is active across GitHub and security feeds.

What is the CVSS 3.1 severity rating and impact for CVE-2026-48567?

CVE-2026-48567 is classified with a CVSS 3.1 Base Score of 10.0 (CRITICAL). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
10.0
CRITICAL SEVERITY
CVE ID CVE-2026-48567
Weakness CWE-290
Vendor microsoft
Product azure_horizondb
Published 2026-06-04
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H