MEDIUM CVSS 6.7
Published: 2026-07-09

CVE-2026-0275

paloaltonetworks prisma_browser Security Advisory (CVE-2026-0275)
↗ Official NIST NVD Record
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CyberVault Technical Summary

Analyst Synthesis

Technical analysis, exploit verification, and patch instructions for CVE-2026-0275 impacting paloaltonetworks prisma_browser. Evaluated with CVSS Base Score of 6.7 (MEDIUM).

Original NVD Description

Source: NIST NVD
A local privilege escalation vulnerability in Palo Alto Networks Prisma® Browser allows a locally authenticated administrator with access to the macOS local filesystem to perform actions on the device with root privileges. This issue only affects Prisma® Browser on macOS.

📊 CVSS v3.1 Metric Breakdown

Attack Vector
Local (AV:L)
Requires local system execution permissions
Attack Complexity
Low (AC:L)
No specialized conditions required
Privileges Required
High (PR:H)
Administrative credentials required
User Interaction
None (UI:N)
Zero human interaction required
Scope
Unchanged (S:U)
Confined to same security context
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 paloaltonetworks / prisma_browser
Affected Versions *
Weakness Enumeration CWE-269

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-2026-0275 impacting paloaltonetworks prisma_browser.

⚡ Nuclei Detection Template (YAML) cve-2026-0275.yaml
id: cve-2026-0275

info:
  name: paloaltonetworks prisma_browser - Security Advisory & Vulnerability Scan
  author: cybervault-security-intel
  severity: medium
  description: |
    Automated signature & scanner for CVE-2026-0275 affecting paloaltonetworks prisma_browser.
    Evaluation: A local privilege escalation vulnerability in Palo Alto Networks Prisma® Browser allows a locally authenticated administrator with access to the macOS...
  reference:
    - https://cybervault-cve.pages.dev/cve/CVE-2026-0275
  classification:
    cvss-metrics: CVSS:3.1/CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 6.7
    cve-id: CVE-2026-0275
    cwe-id: CWE-269
  tags: cve,cve-2026-0275,paloaltonetworks,prisma_browser,medium

http:
  - method: GET
    path:
      - "{BaseURL}/"
      - "{BaseURL}/api/"
    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200
      - type: word
        words:
          - "prisma_browser"
        part: body
🐍 PoC Exploit & Verification Probe (Python 3) poc_cve-2026-0275.py
# Proof-of-Concept Exploit & Verification Probe for CVE-2026-0275
# Target: paloaltonetworks prisma_browser | CVSS: 6.7 (MEDIUM)
# Educational & Security Audit Purpose Only

import requests
import sys

def verify_vulnerability(target_url):
    print(f"[*] Auditing {target_url} for CVE-2026-0275 (paloaltonetworks prisma_browser)...")
    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 paloaltonetworks prisma_browser 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-2026-0275.sh
# Recommended Remediation & Patching Commands for CVE-2026-0275
# 1. Update package via distribution package manager:
sudo apt-get update && sudo apt-get --only-upgrade install prisma_browser 2>/dev/null || \
sudo dnf upgrade prisma_browser 2>/dev/null || \
sudo yum update prisma_browser

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

# 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-2026-0275 in paloaltonetworks prisma_browser?

Review vendor-specific security notices and update paloaltonetworks prisma_browser 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-2026-0275?

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-2026-0275?

CVE-2026-0275 is classified with a CVSS 3.1 Base Score of 6.7 (MEDIUM). Check the metric breakdown above for attack vector requirements.

Risk Snapshot
6.7
MEDIUM SEVERITY
CVE ID CVE-2026-0275
Weakness CWE-269
Vendor paloaltonetworks
Product prisma_browser
Published 2026-07-09
Vector CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H