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Macs Face Networking Bug Every 49 Days, Fix Available

4/10/2026

50 7 Full Breakdown

Summary

Story summary

Photon reports a bug affecting all Macs that disrupts networking every 49 days, 17 hours, two minutes, 47 seconds.
The issue stems from macOS's XNU kernel tracking uptime, causing TCP connections to fail when time resets.
Users can avoid the problem by restarting Macs more frequently.
Most users will not be affected by updates and restarts, though servers may face issues.
Apple has been contacted for further comment.

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Story summary

Photon reports a bug affecting all Macs that disrupts networking every 49 days, 17 hours, two minutes, 47 seconds.
The issue stems from macOS's XNU kernel tracking uptime, causing TCP connections to fail when time resets.
Users can avoid the problem by restarting Macs more frequently.
Most users will not be affected by updates and restarts, though servers may face issues.
Apple has been contacted for further comment.