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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Palo Alto Networks Cloud NGFW unaffected
Version Status Constraints
All affected —
Palo Alto Networks PAN-OS unaffected
Version Status Constraints
12.2.0 affected < 12.2.4-h2
12.1.0 affected < 12.1.10-h4
11.2.0 affected < 11.2.16-h2
11.1.0 affected < 11.1.16-h5
Palo Alto Networks Prisma Access unaffected
Version Status Constraints
All unaffected —

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Palo Alto Networks Subscribe
Cloud Ngfw Subscribe
Pan-os Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://security.paloaltonetworks.com/CVE-2026-0326 cve-icon cve-icon
History

Wed, 11 Nov 2026 20:00:00 +0000

Type Values Removed Values Added
Description 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.
Title PAN-OS: Buffer Overflow Vulnerability in Protocol and Service Processing
First Time appeared Palo Alto Networks
Palo Alto Networks cloud Ngfw
Palo Alto Networks pan-os
Weaknesses CWE-787
CPEs cpe:2.3:o:palo_alto_networks:cloud_ngfw:*:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:*:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.0:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.10:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.11:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.12:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.13:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.14:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.15:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.16:-:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.16:h1:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.16:h2:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.16:h3:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.16:h4:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.1:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.2:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.3:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.4:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.5:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.6:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.8:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.1.9:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.0:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.10:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.11:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.12:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.13:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.15:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.16:-:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.16:h1:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.1:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.2:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.3:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.4:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.5:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.6:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.7:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.8:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:11.2.9:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.10:-:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.10:h2:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.10:h3:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.2:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.3:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.4:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.5:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.6:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.7:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.8:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.1.9:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.2.2:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.2.3:*:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.2.4:-:*:*:*:*:*:*
cpe:2.3:o:palo_alto_networks:pan-os:12.2.4:h1:*:*:*:*:*:*
Vendors & Products Palo Alto Networks
Palo Alto Networks cloud Ngfw
Palo Alto Networks pan-os
References
Metrics cvssV4_0

{'score': 1.7, 'vector': 'CVSS: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:Amber'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: palo_alto

Published:

Updated: 2026-11-11T19:50:29.708Z

Reserved: 2025-11-03T20:46:28.340Z

Link: CVE-2026-0326

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-11T20:17:01.890

Modified: 2026-11-11T20:17:02.040

Link: CVE-2026-0326

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses