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Microsoft Defender EDR updates move from Patch Tuesday to Microsoft Update

Feeds.4Sysops •IT News • June 8, 2026

Microsoft is decoupling Microsoft Defender for Endpoint Detection and Response (EDR) updates from the traditional monthly Patch Tuesday cycle. These updates will now be delivered through the Microsoft Update service rather than being bundled with Windows cumulative security updates. This transition allows for the rapid deployment of security enhancements and fixes without waiting for the standard monthly release window. Source

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Microsoft Shifts Defender EDR Updates to Microsoft Update Service Microsoft has announced a significant change in how it delivers security updates for Microsoft Defender for Endpoint's EDR capabilities. Starting from June 2026, these updates will no longer be bundled with the monthly Patch Tuesday releases but will instead be delivered through the Microsoft Update service. This change aims to allow for faster deployment of security enhancements without waiting for the standard monthly update cycle. The rollout began for Windows 10 devices in late May 2026 and will expand to Windows 11 and other supported versions by fall 2026. Organizations will need to ensure that Microsoft Update is enabled in their update management strategy to receive these updates. The new delivery mechanism is expected to improve protection against evolving threats. Admins relying on manual update packages will need to adjust their processes accordingly. 3 sources 25

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Microsoft Defender For Endpoint Microsoft Update Windows