macOS End of Life (EOL) Dates & Support Timeline
Complete end-of-life dates, support windows, and security status for all macOS versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.
| Version | Latest Release | Release Date | EOL Date | Days | Status |
|---|---|---|---|---|---|
| Mac OS X 10.0 (Cheetah) | 10.0.4 | Mar 24, 2001 | Jun 22, 2001 | 9179 days past EOL | EOL |
| Mac OS X 10.1 (Puma) | 10.1.5 | Sep 25, 2001 | Jun 6, 2002 | 8830 days past EOL | EOL |
| Mac OS X 10.2 (Jaguar) | 10.2.8 | Aug 24, 2002 | Oct 3, 2003 | 8346 days past EOL | EOL |
| Mac OS X 10.3 (Panther) | 10.3.9 | Oct 24, 2003 | Apr 15, 2005 | 7786 days past EOL | EOL |
| Mac OS X 10.4 (Tiger) | 10.4.11 | Apr 29, 2005 | Nov 14, 2007 | 6843 days past EOL | EOL |
| Mac OS X 10.5 (Leopard) | 10.5.8 | Oct 26, 2007 | Aug 13, 2009 | 6205 days past EOL | EOL |
| Mac OS X 10.6 (Snow Leopard) | 10.6.8 | Aug 28, 2009 | Jul 25, 2011 | 5494 days past EOL | EOL |
| Mac OS X 10.7 (Lion) | 10.7.5 | Jul 20, 2011 | Oct 4, 2012 | 5057 days past EOL | EOL |
| OS X 10.8 (Mountain Lion) | 10.8.5 | Jul 25, 2012 | Aug 13, 2015 | 4014 days past EOL | EOL |
| OS X 10.9 (Mavericks) | 10.9.5 | Oct 22, 2013 | Dec 1, 2016 | 3538 days past EOL | EOL |
| OS X 10.10 (Yosemite) | 10.10.5 | Oct 16, 2014 | Aug 1, 2017 | 3295 days past EOL | EOL |
| OS X 10.11 (El Capitan) | 10.11.6 | Sep 30, 2015 | Dec 1, 2018 | 2808 days past EOL | EOL |
| 10.12 | 10.12.6 | Sep 20, 2016 | Oct 1, 2019 | 2504 days past EOL | EOL |
| 10.13 | 10.13.6 | Sep 25, 2017 | Dec 1, 2020 | 2077 days past EOL | EOL |
| 10.14 | 10.14.6 | Sep 24, 2018 | Oct 25, 2021 | 1749 days past EOL | EOL |
| 10.15 | 10.15.8 | Oct 7, 2019 | Feb 2, 2026 | 188 days past EOL | EOL |
| 11 | 11.7.11 | Nov 12, 2020 | Feb 2, 2026 | 188 days past EOL | EOL |
| 12 | 12.7.6 | Oct 25, 2021 | Sep 16, 2024 | 692 days past EOL | EOL |
| 13 | 13.7.8 | Oct 24, 2022 | Sep 15, 2025 | 328 days past EOL | EOL |
| 14 | 14.8.9 | Sep 26, 2023 | TBD | Supported | Active |
| 15 | 15.7.9 | Sep 16, 2024 | TBD | Supported | Active |
| 26 | 26.6.1 | Sep 15, 2025 | TBD | Supported | Active |
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What does macOS end of life mean for your organization?
When a version of macOS reaches end of life, the maintainers stop issuing security patches. Vulnerabilities discovered after this date are publicly disclosed on the National Vulnerability Database, exploit code appears on GitHub, and your systems remain permanently exposed.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the accumulation of unpatched vulnerabilities in EOL software. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no patch will ever exist. This is the most dangerous gap in enterprise security posture.
Organizations running EOL macOS should treat it as a vulnerability class in their risk register, apply compensating controls (network segmentation, enhanced monitoring, access restriction), and prioritize migration to a supported version.
Your options when macOS reaches end of life
There are four realistic paths. Which one is right depends far more on how long the system needs to keep running than on the version you are on today.
| Option | Best when | Watch out for |
|---|---|---|
| Move to a supported version | The system will outlive the current version's support window and you can schedule the work | Budget for compatibility testing, not just the upgrade itself — that is where the real cost sits |
| Replace the component | The project is unmaintained, or a better-supported alternative exists | The replacement has its own lifecycle and its own end-of-life date — you are changing vendors, not escaping the problem |
| Commercial extended support | Not available for macOS from the original maintainer | Third-party vendors patch some end-of-life software on a custom basis; availability depends on the specific version and source access |
| Document accepted risk | The system is isolated, short-lived, or scheduled for retirement | Only defensible with real compensating controls and a written decision — auditors treat undocumented end-of-life software as a finding |
How to choose, in one question: how many more years does this system need to run? Under a year, extended support (where it exists) is usually cheaper than an emergency migration. One to three years, migrate — support purchased repeatedly costs more than doing the project once, and the project only gets harder as the version ages. Indefinitely, migrate now and plan the next migration before it surprises you.
Worth saying plainly, because vendors selling extended support rarely will: extended support is often the more expensive choice over a multi-year horizon. It is the right answer when a deadline is genuinely unreachable, not as a default. Compare the annual fee against the one-time cost of migrating before committing to either.
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