Horizon 8.2503 · Version Status
Horizon 8.2503 End of Life Date
Horizon 8.2503 end-of-life date, support status, and CVE risk. Data reconciled from official vendor documentation and endoflife.date at every build; the source of each date is on the product page.
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Horizon 8.2503 is actively supported. EOL date: April 15, 2028.
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EOL Date
Apr 15, 2028
583 days remaining
Latest Release
8.2503.2
LTS release
Release Date
Apr 15, 2025
Horizon 8.2503 series
Lifecycle detail
Horizon 8.2503 was released on April 15, 2025 and support is scheduled to end on April 15, 2028 — a planned supported lifespan of 3 years, in line with the 3 years median for Horizon LTS releases. It is a long-term support (LTS) release, so it carries a longer patch window than the interim releases around it. Its most recent patch is 8.2503.2, published July 9, 2026.
Attack Surface
10/30 Medium tier
CISA KEV Exposure
20/20 Named in CISA KEV
Extended Support
0/10 Available
EOL Risk Score™ — proprietary methodology by endoflife.ai. Factors: EOL recency, attack surface breadth, CISA KEV catalog presence, extended support availability. Updated at every build.
Methodology → ·
View score card →
| Version | Latest | EOL Date | Status |
|---|
| 7.X NonLTS branch |
7.13.3 |
Apr 30, 2023 |
EOL |
| 7.5 LTS |
7.5.4 |
Nov 30, 2020 |
EOL |
| 7.10 LTS |
7.10.3 |
Mar 17, 2022 |
EOL |
| 8.2006 |
8.2006 |
Aug 11, 2025 |
EOL |
| 8.2012 |
8.2012 |
Jan 7, 2024 |
EOL |
| 8.2103 |
8.2103 |
Mar 23, 2024 |
EOL |
| 8.2106 |
8.2106 |
Jul 15, 2024 |
EOL |
| 8.2111 LTS |
8.2111.3 |
Nov 30, 2024 |
EOL |
What does Horizon 8.2503 end of life mean?
When Horizon 8.2503 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Running Horizon 8.2503 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Horizon 8.2606 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Horizon 8.2503 reach end of life?
Horizon 8.2503 reached end of life on April 15, 2028. That is 583 days remaining.
Is Horizon 8.2503 still supported?
Yes, Horizon 8.2503 is currently supported. The EOL date is April 15, 2028.
What should I upgrade to from Horizon 8.2503?
The recommended upgrade from Horizon 8.2503 is
Horizon 8.2606 — the latest actively supported version. Check the
Horizon full timeline for all supported versions.
What are the security risks of running Horizon 8.2503 past EOL?
When Horizon 8.2503 reaches end of life, the maintainers stop issuing security patches. Any CVEs disclosed after the EOL date accumulate with no remediation path. Most vulnerability scanners do not flag this — it is the CVE blind spot. Organizations running EOL Horizon should migrate immediately or implement compensating controls.