Improper Check for Unusual or Exceptional Conditions in Palo Alto PAN-OS - CVE-2026-0262
Published: May 19, 2026
Vulnerability identifier: #VU131774
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-0262
CWE-ID: CWE-754
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Palo Alto Networks, Inc.
Affected software:
Palo Alto PAN-OS
Palo Alto PAN-OS
Detailed vulnerability description
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper check for unusual or exceptional conditions in network traffic parsing when processing specially crafted network traffic. A remote attacker can send specially crafted network traffic to cause a denial of service.
No special configuration is required to be affected by this issue. Panorama and Cloud NGFW are not impacted.
How to mitigate CVE-2026-0262
Install security update from vendor's website.