CRITICAL CVSS 9.6
Published: 2026-03-11

CVE-2026-30903

zoom workplace_desktop Security Advisory (CVE-2026-30903)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2026-30903 impacting zoom workplace_desktop. Evaluated with CVSS Base Score of 9.6 (CRITICAL).

Original NVD Description

Source: NIST NVD
External Control of File Name or Path in the Mail feature of Zoom Workplace for Windows before 6.6.0 may allow an unauthenticated user to conduct an escalation of privilege via network access.

📊 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
Required (UI:R)
User must click or open resource
Scope
Changed (S:C)
Impacts components beyond caller authority
Confidentiality
High (C:H)
Total information disclosure
Integrity
High (I:H)
Total modification of target system
Availability
High (A:H)
Total denial of service or shutdown

🎯 Affected Versions Matrix

Affected Product zoom / workplace_desktop
Affected Versions *
Weakness Enumeration CWE-73

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-2026-30903 impacting zoom workplace_desktop.

⚡ Nuclei Detection Template (YAML) cve-2026-30903.yaml
id: cve-2026-30903

info:
  name: zoom workplace_desktop - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: critical
  description: |
    Automated signature & scanner for CVE-2026-30903 affecting zoom workplace_desktop.
    Evaluation: External Control of File Name or Path in the Mail feature of Zoom Workplace for Windows before 6.6.0 may allow an unauthenticated user to conduct an e...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2026-30903
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
    cvss-score: 9.6
    cve-id: CVE-2026-30903
    cwe-id: CWE-73
  tags: cve,cve-2026-30903,zoom,workplace_desktop,critical

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "workplace_desktop"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2026-30903.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-30903
# Target: zoom workplace_desktop | CVSS: 9.6 (CRITICAL)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2026-30903 (zoom workplace_desktop)...")
    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 zoom workplace_desktop 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-2026-30903.sh
# Recommended Remediation & Patching Commands for CVE-2026-30903
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install workplace_desktop 2>/dev/null || \
sudo dnf upgrade workplace_desktop 2>/dev/null || \
sudo yum update workplace_desktop

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

# 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-2026-30903 in zoom workplace_desktop?

Review vendor-specific security notices and update zoom workplace_desktop 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-2026-30903?

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-2026-30903?

CVE-2026-30903 is classified with a CVSS 3.1 Base Score of 9.6 (CRITICAL). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
9.6
CRITICAL SEVERITY
CVE ID CVE-2026-30903
Weakness CWE-73
Vendor zoom
Product workplace_desktop
Published 2026-03-11
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H