Vulnerability Database

357,869

Total vulnerabilities in the database

CVE-2026-0269 — paloaltonetworks / pan-os

Improper Check for Unusual or Exceptional Conditions

A memory corruption vulnerability in the processing of tunnel traffic in Palo Alto Networks PAN-OS® software allows an authenticated user to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode.

Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.

  • Published: Jun 10, 2026
  • Updated: Jul 14, 2026
  • CVE: CVE-2026-0269
  • Severity: Medium
  • Exploit:
  • CISA KEV:

CVSS v3:

  • Severity: Medium
  • Score: 5.7
  • AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWEs:

Software From Fixed in
paloaltonetworks / pan-os 10.2.0 10.2.7
paloaltonetworks / pan-os 10.2.8 10.2.10
paloaltonetworks / pan-os 10.2.11 10.2.13
paloaltonetworks / pan-os 10.2.14 10.2.16
paloaltonetworks / pan-os 10.2.7 10.2.7.x
paloaltonetworks / pan-os 10.2.7-h1 10.2.7-h1.x
paloaltonetworks / pan-os 10.2.7-h10 10.2.7-h10.x
paloaltonetworks / pan-os 10.2.7-h11 10.2.7-h11.x
paloaltonetworks / pan-os 10.2.7-h12 10.2.7-h12.x
paloaltonetworks / pan-os 10.2.7-h13 10.2.7-h13.x
paloaltonetworks / pan-os 10.2.7-h14 10.2.7-h14.x
paloaltonetworks / pan-os 10.2.7-h15 10.2.7-h15.x
paloaltonetworks / pan-os 10.2.7-h16 10.2.7-h16.x
paloaltonetworks / pan-os 10.2.7-h17 10.2.7-h17.x
paloaltonetworks / pan-os 10.2.7-h18 10.2.7-h18.x
paloaltonetworks / pan-os 10.2.7-h19 10.2.7-h19.x
paloaltonetworks / pan-os 10.2.7-h2 10.2.7-h2.x
paloaltonetworks / pan-os 10.2.7-h20 10.2.7-h20.x
paloaltonetworks / pan-os 10.2.7-h21 10.2.7-h21.x
paloaltonetworks / pan-os 10.2.7-h22 10.2.7-h22.x
paloaltonetworks / pan-os 10.2.7-h23 10.2.7-h23.x
paloaltonetworks / pan-os 10.2.7-h24 10.2.7-h24.x
paloaltonetworks / pan-os 10.2.7-h3 10.2.7-h3.x
paloaltonetworks / pan-os 10.2.7-h32 10.2.7-h32.x
paloaltonetworks / pan-os 10.2.7-h34 10.2.7-h34.x
paloaltonetworks / pan-os 10.2.7-h35 10.2.7-h35.x
paloaltonetworks / pan-os 10.2.7-h4 10.2.7-h4.x
paloaltonetworks / pan-os 10.2.7-h5 10.2.7-h5.x
paloaltonetworks / pan-os 10.2.7-h6 10.2.7-h6.x
paloaltonetworks / pan-os 10.2.7-h7 10.2.7-h7.x
paloaltonetworks / pan-os 10.2.7-h8 10.2.7-h8.x
paloaltonetworks / pan-os 10.2.7-h9 10.2.7-h9.x
paloaltonetworks / pan-os 10.2.10 10.2.10.x
paloaltonetworks / pan-os 10.2.10-h1 10.2.10-h1.x
paloaltonetworks / pan-os 10.2.10-h10 10.2.10-h10.x
paloaltonetworks / pan-os 10.2.10-h11 10.2.10-h11.x
paloaltonetworks / pan-os 10.2.10-h12 10.2.10-h12.x
paloaltonetworks / pan-os 10.2.10-h13 10.2.10-h13.x
paloaltonetworks / pan-os 10.2.10-h14 10.2.10-h14.x
paloaltonetworks / pan-os 10.2.10-h17 10.2.10-h17.x
paloaltonetworks / pan-os 10.2.10-h18 10.2.10-h18.x
paloaltonetworks / pan-os 10.2.10-h2 10.2.10-h2.x
paloaltonetworks / pan-os 10.2.10-h21 10.2.10-h21.x
paloaltonetworks / pan-os 10.2.10-h27 10.2.10-h27.x
paloaltonetworks / pan-os 10.2.10-h3 10.2.10-h3.x
paloaltonetworks / pan-os 10.2.10-h30 10.2.10-h30.x
paloaltonetworks / pan-os 10.2.10-h31 10.2.10-h31.x
paloaltonetworks / pan-os 10.2.10-h4 10.2.10-h4.x
paloaltonetworks / pan-os 10.2.10-h5 10.2.10-h5.x
paloaltonetworks / pan-os 10.2.10-h6 10.2.10-h6.x
paloaltonetworks / pan-os 10.2.10-h7 10.2.10-h7.x
paloaltonetworks / pan-os 10.2.13 10.2.13.x
paloaltonetworks / pan-os 10.2.13-h1 10.2.13-h1.x
paloaltonetworks / pan-os 10.2.13-h10 10.2.13-h10.x
paloaltonetworks / pan-os 10.2.13-h15 10.2.13-h15.x
paloaltonetworks / pan-os 10.2.13-h16 10.2.13-h16.x
paloaltonetworks / pan-os 10.2.13-h18 10.2.13-h18.x
paloaltonetworks / pan-os 10.2.13-h2 10.2.13-h2.x
paloaltonetworks / pan-os 10.2.13-h3 10.2.13-h3.x
paloaltonetworks / pan-os 10.2.13-h4 10.2.13-h4.x
paloaltonetworks / pan-os 10.2.13-h5 10.2.13-h5.x
paloaltonetworks / pan-os 10.2.13-h7 10.2.13-h7.x
paloaltonetworks / pan-os 10.2.16 10.2.16.x
paloaltonetworks / pan-os 10.2.16-h1 10.2.16-h1.x
paloaltonetworks / pan-os 10.2.16-h4 10.2.16-h4.x
paloaltonetworks / pan-os 10.2.17 10.2.17.x
paloaltonetworks / pan-os 11.1.0 11.1.4
paloaltonetworks / pan-os 11.1.5 11.1.6
paloaltonetworks / pan-os 11.1.7 11.1.10
paloaltonetworks / pan-os 11.1.4 11.1.4.x
paloaltonetworks / pan-os 11.1.4-h1 11.1.4-h1.x
paloaltonetworks / pan-os 11.1.4-h10 11.1.4-h10.x
paloaltonetworks / pan-os 11.1.4-h11 11.1.4-h11.x
paloaltonetworks / pan-os 11.1.4-h12 11.1.4-h12.x
paloaltonetworks / pan-os 11.1.4-h13 11.1.4-h13.x
paloaltonetworks / pan-os 11.1.4-h15 11.1.4-h15.x
paloaltonetworks / pan-os 11.1.4-h17 11.1.4-h17.x
paloaltonetworks / pan-os 11.1.4-h18 11.1.4-h18.x
paloaltonetworks / pan-os 11.1.4-h2 11.1.4-h2.x
paloaltonetworks / pan-os 11.1.4-h25 11.1.4-h25.x
paloaltonetworks / pan-os 11.1.4-h27 11.1.4-h27.x
paloaltonetworks / pan-os 11.1.4-h3 11.1.4-h3.x
paloaltonetworks / pan-os 11.1.4-h32 11.1.4-h32.x
paloaltonetworks / pan-os 11.1.4-h4 11.1.4-h4.x
paloaltonetworks / pan-os 11.1.4-h5 11.1.4-h5.x
paloaltonetworks / pan-os 11.1.4-h6 11.1.4-h6.x
paloaltonetworks / pan-os 11.1.4-h7 11.1.4-h7.x
paloaltonetworks / pan-os 11.1.4-h8 11.1.4-h8.x
paloaltonetworks / pan-os 11.1.4-h9 11.1.4-h9.x
paloaltonetworks / pan-os 11.1.6 11.1.6.x
paloaltonetworks / pan-os 11.1.6-h1 11.1.6-h1.x
paloaltonetworks / pan-os 11.1.6-h10 11.1.6-h10.x
paloaltonetworks / pan-os 11.1.6-h14 11.1.6-h14.x
paloaltonetworks / pan-os 11.1.6-h17 11.1.6-h17.x
paloaltonetworks / pan-os 11.1.6-h18 11.1.6-h18.x
paloaltonetworks / pan-os 11.1.6-h19 11.1.6-h19.x
paloaltonetworks / pan-os 11.1.6-h2 11.1.6-h2.x
paloaltonetworks / pan-os 11.1.6-h20 11.1.6-h20.x
paloaltonetworks / pan-os 11.1.6-h3 11.1.6-h3.x
paloaltonetworks / pan-os 11.1.6-h4 11.1.6-h4.x
paloaltonetworks / pan-os 11.1.6-h6 11.1.6-h6.x
paloaltonetworks / pan-os 11.1.6-h7 11.1.6-h7.x
paloaltonetworks / pan-os 11.1.10 11.1.10.x
paloaltonetworks / pan-os 11.1.10-h1 11.1.10-h1.x
paloaltonetworks / pan-os 11.1.10-h4 11.1.10-h4.x
paloaltonetworks / pan-os 11.1.10-h5 11.1.10-h5.x
paloaltonetworks / pan-os 11.1.11 11.1.11.x
paloaltonetworks / pan-os 11.2.0 11.2.4
paloaltonetworks / pan-os 11.2.5 11.2.7
paloaltonetworks / pan-os 11.2.8 11.2.10
paloaltonetworks / pan-os 11.2.4 11.2.4.x
paloaltonetworks / pan-os 11.2.4-h1 11.2.4-h1.x
paloaltonetworks / pan-os 11.2.4-h10 11.2.4-h10.x
paloaltonetworks / pan-os 11.2.4-h11 11.2.4-h11.x
paloaltonetworks / pan-os 11.2.4-h12 11.2.4-h12.x
paloaltonetworks / pan-os 11.2.4-h14 11.2.4-h14.x
paloaltonetworks / pan-os 11.2.4-h15 11.2.4-h15.x
paloaltonetworks / pan-os 11.2.4-h17 11.2.4-h17.x
paloaltonetworks / pan-os 11.2.4-h2 11.2.4-h2.x
paloaltonetworks / pan-os 11.2.4-h3 11.2.4-h3.x
paloaltonetworks / pan-os 11.2.4-h4 11.2.4-h4.x
paloaltonetworks / pan-os 11.2.4-h5 11.2.4-h5.x
paloaltonetworks / pan-os 11.2.4-h6 11.2.4-h6.x
paloaltonetworks / pan-os 11.2.4-h7 11.2.4-h7.x
paloaltonetworks / pan-os 11.2.4-h8 11.2.4-h8.x
paloaltonetworks / pan-os 11.2.4-h9 11.2.4-h9.x
paloaltonetworks / pan-os 11.2.7 11.2.7.x
paloaltonetworks / pan-os 11.2.7-h1 11.2.7-h1.x
paloaltonetworks / pan-os 11.2.7-h2 11.2.7-h2.x
paloaltonetworks / pan-os 11.2.7-h3 11.2.7-h3.x
paloaltonetworks / pan-os 12.1.0 12.1.4
paloaltonetworks / pan-os 12.1.4 12.1.4.x
paloaltonetworks / pan-os 12.1.4-h2 12.1.4-h2.x
paloaltonetworks / pan-os 12.1.4-h3 12.1.4-h3.x

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.