Out-of-bounds write in Palo Alto PAN-OS - CVE-2026-0310
Published: September 14, 2026
Vulnerability identifier: #VU149495
CSH Severity: High
CVSS v4: 9.2 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-0310
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in the XML processing functionality. A remote attacker can trigger an out-of-bounds write and execute arbitrary code on the target system.
Affected software
Palo Alto PAN-OS
How to mitigate CVE-2026-0310
Install updates from vendor's website.
Palo Alto PAN-OS - addressed in versions 10.2.7-h37, 10.2.10-h40, 10.2.13-h24, 10.2.16-h10, 10.2.18-h10, 11.1.4-h36, 11.1.6-h38, 11.1.7-h10, 11.1.10-h33, 11.1.13-h12, 11.1.16-h2, 11.2.4-h21, 11.2.7-h20, 11.2.10-h14, 11.2.13-h2, 12.1.4-h10, 12.1.7-h5, 12.1.10, 12.2.3