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Cyber Security Agency of Singapore
Alerts

Active Exploitation of Vulnerability in Palo Alto Networks Products

16 October 2026

Attackers are exploiting a high-severity vulnerability in Palo Alto Networks PAN-OS to execute arbitrary code with root privileges. Patch immediately.

Background

Palo Alto Networks has released security updates to address a high-severity vulnerability (CVE-2026-0322) affecting Palo Alto Networks Products. This vulnerability has a Common Vulnerability Scoring System (CVSS v4.0) score of 8.6 out of 10.

Impact

Successful exploitation of this remote code execution vulnerability in the management interface of PAN-OS software could allow an authenticated attacker with network access to execute arbitrary code with root privileges on the firewall. 

Known Exploitation

This vulnerability is reportedly being actively exploited.

Affected Products

The vulnerability affects the following products:

  • PAN-OS 12.2: Versions prior to 12.2.4

  • PAN-OS 12.1: Versions prior to 12.1.4-h12, 12.1.7-h8 and 12.1.10-h2

  • PAN-OS 11.2: Versions prior to 11.2.4-h22, 11.2.7-h21, 11.2.10-h15, 11.2.13-h3 and 11.2.16

  • PAN-OS 11.1: Versions prior to 11.1.4-h37, 11.1.6-h39, 11.1.7-h11, 11.1.10-h35, 11.1.13-h15 and 11.1.16-h3

  • PAN-OS 10.2: Versions prior to 10.2.7-h38, 10.2.10-h41, 10.2.13-h26, 10.2.16-h11 and 10.2.18-h12

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

Recommendations

Users and administrators of affected products are advised to update to the latest versions immediately.

References 

https://security.paloaltonetworks.com/CVE-2026-0322 (opens in new tab)    

https://nvd.nist.gov/vuln/detail/CVE-2026-0322 (opens in new tab)