Product

macOS 27.0

1 mentions in 7 days · 2 in 30 days · 2 total · first seen Aug 31, 2026 · last 6d ago

Timeline2 articles

macOS 27.0 RC (26A428)

Apple seeded the macOS 27.0 Release Candidate (build 26A428) to developers ahead of the final public release.

Apple published a Release Candidate build of macOS 27.0, labeled 26A428, on its developer release page. The notice only provides download and release-notes links and includes no security content, CVEs, or threat information. RC builds typically precede the general availability of the final operating system version.

Apple software releasesupdated Sep 14, 17:00 UTC · 1d agofirst Sep 9, 17:00 UTC · 6d agoAdvisory 2 sources

macOS 27.0 beta 8 (26A5425a)

Apple seeded macOS 27.0 beta 8 (build 26A5425a) to developers with no security fixes disclosed ahead of the final release.

Apple released macOS 27.0 beta 8, build 26A5425a, through its developer program on August 31, 2026. The listing contains only download links and release notes with no vulnerability or CVE information. It is the eighth beta seed in the macOS 27.0 pre-release cycle.

Apple software releasesAug 31, 17:00 UTC · 15d agoAdvisory

Appears with

vendor Apple 2 organization Apple 1

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