Apple Releases macOS Tahoe 26.5.1 to Fix M5 Mac Shutdowns for Enterprise Users

8 articles · Updated · MacRumors · Jun 1

macOS Tahoe 26.5.1 arrived three weeks after version 26.5, targeting an issue that caused some M5 Macs used by enterprise customers to shut down unexpectedly.
Apple said the crashes were tied to certain content-filtering network extensions, a setup more common in managed corporate environments.
The update is available through System Settings under Software Update and is positioned as a small bug-fix release rather than a broader feature refresh.
The patch lands just ahead of WWDC on June 8, where Apple is expected to unveil macOS 27 as its next major desktop operating system.

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