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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: December CY2026

Version history

2 versions tracked

Updated 1 time since Jul 1, 2026. Microsoft 365 Message Center only shows the current version; this archive preserves tracked history.

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  1. Aug 7, 2026 - 09:45 PMLatest - v2

    Changed: Body

  2. Jul 1, 2026 - 11:03 PMOriginal - v1

    Changed: Initial version

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