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MC1392559 — Microsoft Teams: Known issue affecting screen sharing on macOS

MC1392559Microsoft TeamsplanForChangeUpdated: 10 July 2026

Microsoft Teams on macOS (versions earlier than Tahoe 26.4) has a known screen sharing issue causing blank screens, interruptions, or failures. In-product guidance will roll out by mid-August 2026. Users should update macOS to 26.4 or later or enable "Use Mac OS native sharing" in Teams settings.

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Applies to: Microsoft Teams
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).