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mediumDefenderMicrosoft Defender XDR, MDEdeprecationm365_message_center · Jan 22, 2026

(Updated) Retirement notice: MDE and XDR Advanced Hunting APIs retiring; migrate to Microsoft Graph Security API

Microsoft is retiring the MDE and XDR Advanced Hunting APIs and recommending migration to Microsoft Graph Security API for advanced hunting capabilities.

“Services: Microsoft Defender XDR. <p>Updated October 26, 2026: We have updated this post as a reminder. Thank you for your patience.&nbsp;</p><p><b>[Introduction]</b></p><p>We’re<b> </b>retiring the<b> Microsoft Defender for Endpoint (MDE) Advanced Hunting API </b>and<b> Microsoft Defender XDR Advanced Hunting API</b…”
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Security
endpoint_security
Audience
admindeveloper
Environment
cloud
Classification confidence: 95%
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(Updated) Retirement notice: MDE and XDR Advanced Hunting APIs retiring; migrate to Microsoft Graph Security API | 365Forge