RM566871 - Microsoft Edge: Enhanced Security Mode Plus

Microsoft 365 Roadmap

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.

Last Updated

Aug 7, 2026

Published Jul 1, 2026

View version history

Status

In development

Release

General Availability

Platforms

Web

Service

Microsoft Edge

Tag

In development
General Availability
Worldwide (Standard Multi-Tenant)

Cloud

Worldwide (Standard Multi-Tenant)

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 Message Center only ever shows the current version; this archive preserves the history.

Compare any two versions

From
To
  1. Aug 7, 2026 · 09:45 PMLatest · v2

    Changed: Body

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

    Changed: Initial version