CVE-2026-0310

UNKNOWN 0.0

PAN-OS: Buffer Overflow Vulnerability via XML Processing

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

A buffer overflow vulnerability in the XML processing functionality of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to the management web or dataplane interface to cause a denial of service (DoS) condition on VM-Series firewalls or execute arbitrary code with root privileges on the PA-Series firewalls. The security risk posed by this issue is minimized when the management interface is restricted to only trusted internal IP addresses according to our recommended best practice deployment guidelines https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the-management-access-of-your-palo/ba-p/464431 . Panorama is impacted by this vulnerability.

CWE	CWE-787
Vendor	palo alto networks
Product	cloud ngfw
Published	Sep 10, 2026
Last Updated	Sep 11, 2026

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Affected Versions

Palo Alto Networks / Cloud NGFW

All

Palo Alto Networks / PAN-OS

12.2.0 < 12.2.3 12.1.0 < 12.1.4-h10 11.2.0 < 11.2.4-h21 11.1.0 < 11.1.4-h36 10.2.0 < 10.2.7-h37

Palo Alto Networks / Prisma Access

11.2.0 < 11.2.4-h21 10.2.0 < 10.2.7-h37

References

NVD ↗ CVE.org ↗ EPSS Data ↗

security.paloaltonetworks.com: https://security.paloaltonetworks.com/CVE-2026-0310

Credits

Palo Alto Networks thanks our internal security research teams for discovering and reporting this issue.