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Palo Alto PAN-OS 12.1.8

12.1.7โ†’12.1.8SecurityBug fixPerformance
๐Ÿ“… July 7, 2026๐Ÿ—‚ Firewalls๐Ÿ“ฆ Palo Alto PAN-OS โ†—๐Ÿ“œ Full changelog โ†—
โœฆ Editor's summary

PAN-OS 12.1.8 is a maintenance release that focuses on security updates, software defect fixes, and platform stability improvements. It continues the 12.1 release train with additional reliability enhancements for next-generation firewalls and Panorama while maintaining compatibility with existing deployments.

โš  Security impact
  • Includes security fixes for vulnerabilities addressed in the PAN-OS 12.1 release train.
  • Improves overall platform security and system resilience.
  • Palo Alto Networks recommends upgrading to the latest maintenance release.

What's new

Palo Alto Networks has released PAN-OS 12.1.8, the latest maintenance update for the PAN-OS 12.1 release family.

This release focuses on delivering security updates, software fixes, and stability improvements for next-generation firewalls and Panorama deployments.

  • Included the latest security fixes and maintenance updates.
  • Resolved multiple software defects affecting firewall and management operations.
  • Improved system stability, reliability, and overall performance.
  • Enhanced operational consistency across supported hardware and virtual platforms.
  • Included additional maintenance fixes for enterprise deployments.

Palo Alto Networks recommends upgrading to PAN-OS 12.1.8 to benefit from the latest security updates, bug fixes, and ongoing platform improvements.

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