← ← Back to all products
PAN-OS
Active
Security & Networking Latest Version: 12.1.4-h2 Latest Release: Feb 4, 2026
PAN-OS is the operating system for Palo Alto Networks next-generation firewalls and Panorama.
Versions
25
Latest Version
12.1.4-h2
Active Support
3
EOL
22
Lifecycle Timeline
Today ↓
12.1
12.1
11.2
11.2
11.1
11.1
11.0
11.0
10.2
10.2
10.1
10.1
10.0
10.0
9.1
9.1
9.0-xfr
9.0-xfr
9.0
9.0
Active SupportSecurity SupportEOL
Versions
| Release | Release Date | Active Support | EOL | Latest Version | LTS | Status |
|---|---|---|---|---|---|---|
| 12.1 | Aug 28, 2025 | - | Aug 28, 2028 | 12.1.4-h2 | No | Active |
| 11.2 | May 2, 2024 | - | May 2, 2027 | 11.2.10-h3 | No | Active |
| 11.1 | Nov 3, 2023 | - | May 3, 2027 | 11.1.13-h1 | No | Active |
| 11.0 | Nov 17, 2022 | - | Nov 17, 2024 | 11.0.6-h1 | No | EOL |
| 10.2 | Feb 27, 2022 | - | Aug 27, 2025 | 10.2.18-h1 | No | EOL |
| 10.1 | May 31, 2021 | - | Dec 1, 2024 | 10.1.14-h20 | No | EOL |
| 10.0 | Jul 16, 2020 | - | Jul 16, 2022 | 10.0.12-h6 | No | EOL |
| 9.1 | Dec 13, 2019 | - | Jun 30, 2024 | 9.1.19 | No | EOL |
| 9.0-xfr | Sep 19, 2019 | - | Sep 19, 2020 | 9.0-XFR (VM-Series only) | No | EOL |
| 9.0 | Feb 6, 2019 | - | Mar 1, 2022 | 9.0.17-h5 | No | EOL |
| 8.1 | Mar 1, 2018 | - | Mar 1, 2022 | 8.1.24 | No | EOL |
| 8.0 | Jan 29, 2017 | - | Oct 31, 2019 | 8.0.20 | No | EOL |
| 7.1 | Mar 29, 2016 | - | Jun 30, 2020 | 7.1.26 | No | EOL |
| 7.0 | Jun 4, 2015 | - | Dec 4, 2017 | 7.0.19 | No | EOL |
| 6.1 | Oct 25, 2014 | - | Oct 25, 2018 | 6.1.22 | No | EOL |
| 6.0 | Jan 19, 2014 | - | Mar 19, 2017 | 6.0.15 | No | EOL |
| 5.1 | May 9, 2013 | - | May 9, 2017 | - | No | EOL |
| 5.0 | Nov 13, 2012 | - | Nov 13, 2016 | - | No | EOL |
| 4.1 | Oct 31, 2011 | - | Apr 30, 2015 | - | No | EOL |
| 4.0 | Feb 22, 2011 | - | Dec 31, 2014 | - | No | EOL |
| 3.1 | Mar 15, 2010 | - | Jun 30, 2013 | - | No | EOL |
| 3.0 | Jun 17, 2009 | - | Dec 17, 2010 | - | No | EOL |
| 2.1 | Jan 5, 2009 | - | Jan 5, 2012 | - | No | EOL |
| 2.0 | May 20, 2008 | - | May 20, 2009 | - | No | EOL |
| 1.3 | Nov 15, 2007 | - | Nov 20, 2008 | - | No | EOL |
Frequently Asked Questions
Which versions of PAN-OS have reached end of life?
The following PAN-OS versions have reached end of life and no longer receive security updates: 11.0, 10.2, 10.1, 10.0, 9.1, 9.0-xfr, 9.0, 8.1 (and 14 more). It is recommended to upgrade to a supported version.
Is it safe to continue using PAN-OS 11.0?
PAN-OS 11.0 has reached end of life and no longer receives security patches or bug fixes. Continuing to use it may expose your systems to known vulnerabilities. We strongly recommend upgrading to a supported version.
What is the latest version of PAN-OS?
The latest version of PAN-OS is 12.1.4-h2, released in the 12.1 release cycle.
How many versions of PAN-OS are currently supported?
PAN-OS currently has 3 actively supported version(s): 12.1, 11.2, 11.1.
When does PAN-OS 12.1 reach end of life?
PAN-OS 12.1 is scheduled to reach end of life on Aug 28, 2028.
What should I do when PAN-OS reaches end of life?
When a PAN-OS version reaches end of life, you should: 1) Plan your migration to a supported version as soon as possible. 2) Review the release notes for breaking changes. 3) Test your applications thoroughly in a staging environment. 4) Update your dependencies to ensure compatibility with the new version.