Horizon End of Life (EOL) Dates & Support Timeline
Complete end-of-life dates, support windows, and security status for all Horizon versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.
Horizon 8.2606 is supported until August 24, 2029, its end-of-support date. The next Horizon version to reach end of life is 8.2309, on October 26, 2026. 14 of 23 tracked Horizon versions are past end of life; the most recent to reach it, 8.2212, did so on July 12, 2026. The full Horizon lifecycle, with every version's release and end-of-support date, is in the table below.
Running an EOL version? Get matched with support options — free ↓| Version | Latest Release | Release Date | EOL Date | Days | Status |
|---|---|---|---|---|---|
| 7.X NonLTS branch | 7.13.3 | Mar 22, 2016 | Apr 30, 2023 | 1242 days past EOL | EOL |
| 7.5 LTS | 7.5.4 | May 29, 2018 | Nov 30, 2020 | 2123 days past EOL | EOL |
| 7.10 LTS | 7.10.3 | Sep 17, 2019 | Mar 17, 2022 | 1651 days past EOL | EOL |
| 8.2006 | 8.2006 | Aug 11, 2020 | Aug 11, 2025 | 408 days past EOL | EOL |
| 8.2012 | 8.2012 | Jan 7, 2021 | Jan 7, 2024 | 990 days past EOL | EOL |
| 8.2103 | 8.2103 | Mar 23, 2021 | Mar 23, 2024 | 914 days past EOL | EOL |
| 8.2106 | 8.2106 | Jul 15, 2021 | Jul 15, 2024 | 800 days past EOL | EOL |
| 8.2111 LTS | 8.2111.3 | Nov 30, 2021 | Nov 30, 2024 | 662 days past EOL | EOL |
| 8.2203 | 8.2203 | Apr 5, 2022 | Apr 5, 2025 | 536 days past EOL | EOL |
| 8.2206 | 8.2206 | Jul 19, 2022 | Jul 19, 2025 | 431 days past EOL | EOL |
| 8.2209 | 8.2209 | Oct 20, 2022 | Oct 20, 2025 | 338 days past EOL | EOL |
| 8.2212 LTS | 8.2212.2 | Jan 12, 2023 | Jul 12, 2026 | 73 days past EOL | EOL |
| 8.2303 | 8.2303 | Mar 30, 2023 | Mar 30, 2026 | 177 days past EOL | EOL |
| 8.2306 | 8.2306 | Jul 6, 2023 | Jul 6, 2026 | 79 days past EOL | EOL |
| 8.2309 | 8.2309 | Oct 26, 2023 | Oct 26, 2026 | 33 days remaining | Warning |
| 8.2312 LTS | 8.2312.2 | Jan 23, 2024 | Apr 23, 2027 | 212 days remaining | Active |
| 8.2406 | 8.2406 | Jul 25, 2024 | Jul 25, 2027 | 305 days remaining | Active |
| 8.2412 | 8.2412 | Jan 28, 2025 | Jan 28, 2028 | 492 days remaining | Active |
| 8.2503 LTS | 8.2503.2 | Apr 15, 2025 | Apr 15, 2028 | 570 days remaining | Active |
| 8.2506 | 8.2506.1 | Jul 31, 2025 | Jul 31, 2028 | 677 days remaining | Active |
| 8.2512 | 8.2512.1 | Dec 16, 2025 | Dec 16, 2028 | 815 days remaining | Active |
| 8.2603 LTS | 8.2603 | Apr 14, 2026 | Apr 14, 2029 | 934 days remaining | Active |
| 8.2606 | 8.2606 | Aug 24, 2026 | Aug 24, 2029 | 1066 days remaining | Active |
Live EOL badge for your README — updates automatically at every build.
[](https://endoflife.ai/horizon)
Horizon release and support pattern
Across the 23 release lines with a published release date, Horizon has shipped a new line roughly every 4 months (median interval). A line typically stays supported for about 3 years from its release to its end-of-life date. 7 of the 23 tracked lines are designated long-term support, which is where the longer windows sit.
Of the 23 release lines tracked, 14 are past end of life and 9 are still within support. The newest line, 8.2606, was released August 24, 2026. The next scheduled end of life is 8.2309 on October 26, 2026 — 33 days from this build. The longest-supported line currently published is 8.2606, to August 24, 2029.
Computed from the tracked release data at every build — the figures above are the dates in the table, restated, not an editorial estimate.
Horizon security intelligence
CISA KEV history: Horizon is named in CISA's Known Exploited Vulnerabilities catalog 1 time, most recently on 2021-11-03, including use in ransomware campaigns. Derived from CISA's live catalog at every build.
What does Horizon end of life mean for your organization?
When a version of Horizon 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: A CVE-based scan does not show the accumulation of unpatched vulnerabilities in EOL software. Some scanners flag unsupported versions of common products, but coverage varies, and none of them give you the date in advance. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no vendor patch is coming. This is one of the most dangerous gaps in enterprise security posture.
Organizations running EOL Horizon 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 Horizon 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 |
| Buy extended support | Migration is genuinely underway but cannot finish before the deadline, or the workload is frozen by certification or a third-party application | A bridge, not a destination — every year purchased is a year the migration still has to happen |
| 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.
Formalizing decisions like this across your estate? Our free EOL policy template is a ready-to-adopt policy with risk tiers, remediation SLAs, and audit mapping — no signup, free to use and share.
Extended Support Options
If you cannot migrate immediately, extended support vendors provide continued security patches for EOL Horizon versions. This is a bridge, not a permanent solution — plan your migration in parallel.
Horizon has 14 versions past end of life — security patches have stopped, but CVE disclosures haven't. Extended support past the official date exists for many products in this position — whether it exists for Horizon is exactly what we check. Tell us where to reach you and we'll reply with matched options and pricing guidance — or an honest "no vendor covers this."