Steamos 3 · Version Status
Steamos 3 End of Life Date
Steamos 3 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Steamos 3 is actively supported. EOL date: Already EOL.
EOL Date
Already EOL
Supported
Latest Release
—
Standard release
Release Date
Mar 1, 2022
Steamos 3 series
| Version | Latest | EOL Date | Status |
|---|
| 1 |
— |
Nov 2, 2015 |
EOL |
| 2 |
— |
Jun 30, 2019 |
EOL |
| → 3 |
— |
EOL |
Active |
What does Steamos 3 end of life mean?
When Steamos 3 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 Steamos 3 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Steamos 3 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Steamos 3 reach end of life?
Steamos 3 has already reached end of life.
Is Steamos 3 still supported?
Yes, Steamos 3 is currently supported. The EOL date is Already EOL.
What should I upgrade to from Steamos 3?
The recommended upgrade from Steamos 3 is
Steamos 3 — the latest actively supported version. Check the
Steamos full timeline for all supported versions.
What are the security risks of running Steamos 3 past EOL?
When Steamos 3 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 Steamos should migrate immediately or implement compensating controls.