Vulnerability · Published May 13, 2026 · Assigned by palo_alto
CVE-2026-0262PAN-OS: Denial of Service Vulnerabilities in Network Traffic Parsing
Medium 6.6
In plain English
A medium-severity security flaw in Cloud NGFW from Palo Alto Networks. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 4.0)6.6Medium
Exploit odds (30 days)0.4%top 70.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Multiple denial of service vulnerabilities in Palo Alto Networks PAN-OS® software allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition by sending specially crafted network traffic. Panorama and Cloud NGFW are not impacted by these vulnerabilities.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Palo Alto Networks | Cloud NGFW | see references |
| Palo Alto Networks | PAN-OS | 12.1.0 – before 12.1.7, 12.1.4-h511.2.0 – before 11.2.12, 11.2.10-h6, 11.2.7-h13, 11.2.4-h1711.1.0 – before 11.1.15, 11.1.13-h5, 11.1.10-h25, 11.1.7-h6, 11.1.6-h32, 11.1.4-h3310.2.0 – before 10.2.18-h6, 10.2.16-h7, 10.2.13-h21, 10.2.10-h36, 10.2.7-h34 |
| Palo Alto Networks | Prisma Access | 10.2.0 – before 10.2.10-h3611.2.0 – before 11.2.7-h13 |
Weakness: CWE-754 · Vector: 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/AU:N/R:U/V:C/RE:M/U:Amber