Github Actions Runner Images macos-12 · Version Status
Github Actions Runner Images macos-12 End of Life Date
Github Actions Runner Images macos-12 end-of-life date, support status, and CVE risk. Data from endoflife.date and official vendor documentation.
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Github Actions Runner Images macos-12 is past end of life. This version no longer receives security patches. 522 days past EOL — migrate to a supported version immediately.
EOL Date
Dec 3, 2024
522 days past EOL
Latest Release
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Standard release
Release Date
Jun 13, 2022
Github Actions Runner Images macos-12 series
All Github Actions Runner Images Versions
What does Github Actions Runner Images macos-12 end of life mean?
When Github Actions Runner Images macos-12 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 Github Actions Runner Images macos-12 past its EOL date creates a permanently growing attack surface that standard security tooling will not surface.
Migrate to Github Actions Runner Images macos-26 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Github Actions Runner Images macos-12 reach end of life?
Github Actions Runner Images macos-12 reached end of life on December 3, 2024. This version is no longer receiving security patches.
Is Github Actions Runner Images macos-12 still supported?
No. Github Actions Runner Images macos-12 reached end of life on December 3, 2024 and is no longer receiving security patches.
What should I upgrade to from Github Actions Runner Images macos-12?
The recommended upgrade from Github Actions Runner Images macos-12 is
Github Actions Runner Images macos-26 — the latest actively supported version. Check the
Github Actions Runner Images full timeline for all supported versions.
What are the security risks of running Github Actions Runner Images macos-12 past EOL?
When Github Actions Runner Images macos-12 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 Github Actions Runner Images should migrate immediately or implement compensating controls.