CVSS 4.0
1.7 lowCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:AmberCVE-2026-0326 PAN-OS: Buffer Overflow Vulnerability in Protocol and Service Processing
Low (1.7) in palo alto networks. EPSS 0.4% estimated probability of exploitation activity in the next 30 days.
On this page
A buffer overflow vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to disrupt service processing by causing a service process crash or memory corruption.
Panorama and Prisma® Access are not affected by this vulnerability.
Severity
- EPSS
- 0.4% estimated probability of exploitation activity in the next 30 days; 37th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CISA's assessment (SSVC)
- Exploitation: none · Automatable: no · Technical impact: partial, assessed 2026-11-13. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
- CWE
- CWE-787 Out-of-bounds Write
- Published
- Modified
- Assigned by
- palo_alto (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
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Affected
- palo alto networks:cloud ngfw
- palo alto networks:pan-os
- palo alto networks:prisma access
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Palo Alto Networks Cloud NGFW | All |
| Palo Alto Networks PAN-OS | from 12.2.0 before 12.2.4-h2 |
| Palo Alto Networks PAN-OS | from 12.1.0 before 12.1.10-h4 |
| Palo Alto Networks PAN-OS | from 11.2.0 before 11.2.16-h2 |
| Palo Alto Networks PAN-OS | from 11.1.0 before 11.1.16-h5 |
Fixed in
| Product | Fixed in |
|---|---|
| Palo Alto Networks PAN-OS | 12.2.4-h2 |
| Palo Alto Networks PAN-OS | 12.1.10-h4 |
| Palo Alto Networks PAN-OS | 11.2.16-h2 |
| Palo Alto Networks PAN-OS | 11.1.16-h5 |
Fix and patched versions
- Palo Alto Networks PAN-OS: fixed in 12.2.4-h2
- Palo Alto Networks PAN-OS: fixed in 12.1.10-h4
- Palo Alto Networks PAN-OS: fixed in 11.2.16-h2
- Palo Alto Networks PAN-OS: fixed in 11.1.16-h5