Windows 11 to Widen Default Memory Integrity Rollout in October

Microsoft plans to automatically turn on Memory Integrity on additional eligible Windows 11 systems through quality updates beginning in October. The company will evaluate each device for compatibility and performance before enabling the feature. Users who previously disabled it will not have it re-enabled.

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Memory Integrity, also called Hypervisor-Protected Code Integrity, has been part of Windows since the Windows 10 era, originally under Microsoft's Device Guard umbrella. It relies on Virtualization-based Security and the Windows hypervisor to isolate kernel code-integrity checks, blocking untrusted drivers and malicious code from executing at the kernel level. Windows 10 treated it as optional outside special configurations, while Windows 11 made it standard on compatible fresh installs.

The October expansion extends this default-enablement to existing eligible systems through quality updates. Microsoft's readiness checks examine hardware capabilities, driver compatibility, and performance before activation. Eligibility currently requires