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RM566871Microsoft Edge: Enhanced Security Mode Plus

Summary

Enhanced Security Mode Plus adds optional, admin-configurable protections on top of Enhanced Security Mode to further reduce browser attack surface. Admins can configure preset or custom modes to restrict selected network protocols and compression behavior, hardware-access web APIs, WebGL, and external protocol launches when Enhanced Security Mode is enabled.

Description

Enhanced Security Mode Plus adds optional, admin-configurable protections on top of Enhanced Security Mode to further reduce browser attack surface. Admins can configure preset or custom modes to restrict selected network protocols and compression behavior, hardware-access web APIs, WebGL, and external protocol launches when Enhanced Security Mode is enabled.

GA date: July CY2026