SHD / MC Checker

[investigating] DZ1459263 | Microsoft Defender XDR | Users see failures when querying the Microsoft Graph Attack Simulation Training API with $Select OData query



DZ1459263 | Microsoft Defender XDR | Users see failures when querying the Microsoft Graph Attack Simulation Training API with $Select OData query

Status investigating
Classification advisory
User Impact Users see failures when querying the Microsoft Graph Attack Simulation Training API with $Select OData query.
Last Updated 08/22/2026 02:43:55
Start Time 08/22/2026 02:36:08
End Time
Latest Message Title: Users see failures when querying the Microsoft Graph Attack Simulation Training API with $Select OData query

User impact: Users see failures when querying the Microsoft Graph Attack Simulation Training API with $Select OData query.

More info: The issue is specifically happening when using “$Select” as part of the query.

Affected users can bypass the issue by not using “$Select” in the queries.

Current status: We’re investigating a potential issue with Microsoft Defender and checking for impact to your organization. We’ll provide an update within 30 minutes.

Machine Translation タイトル:ユーザーはODataクエリでMicrosoft Graph Attack Simulation Training APIをクエリした際に失敗$Select確認

ユーザーへの影響:ユーザーはODataクエリでMicrosoft Graph Attack Simulation Training APIをクエリ$Select実行すると失敗を確認します。

さらに詳しくは、クエリに「$Select」を使ったときに特に問題が起きています。

影響を受けたユーザーは、クエリで「$Select」を使わずに問題を回避できます。

現状:Microsoft Defenderに関する潜在的な問題を調査しており、貴組織への影響を確認しています。30分以内に最新情報をお伝えします。