{"id":18008,"date":"2026-08-22T14:01:29","date_gmt":"2026-08-22T05:01:29","guid":{"rendered":"https:\/\/m365jp.net\/?p=18008"},"modified":"2026-08-22T14:06:41","modified_gmt":"2026-08-22T05:06:41","slug":"investigating-dz1459263-microsoft-defender-xdr-users-may-see-failures-when-querying-the-microsoft-graph-attack-simulation-training-api-with-select-odata-query-2","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-08-22-investigating-dz1459263-microsoft-defender-xdr-users-may-see-failures-when-querying-the-microsoft-graph-attack-simulation-training-api-with-select-odata-query-2","title":{"rendered":"[investigating] DZ1459263 | Microsoft Defender XDR | Users may see failures when querying the Microsoft Graph Attack Simulation Training API with $Select OData query"},"content":{"rendered":"
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DZ1459263 | Microsoft Defender XDR | Users may see failures when querying the Microsoft Graph Attack Simulation Training API with $Select OData query<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n\n\n\n\n\n\n\n\n\n
Status<\/th>\ninvestigating<\/td>\n<\/tr>\n
Classification<\/th>\nadvisory<\/td>\n<\/tr>\n
User Impact<\/th>\nUsers may see failures when querying the Microsoft Graph Attack Simulation Training API with $Select OData query.<\/td>\n<\/tr>\n
Last Updated<\/th>\n08\/22\/2026 04:51:50<\/td>\n<\/tr>\n
Start Time<\/th>\n08\/13\/2026 18:41:00<\/td>\n<\/tr>\n
End Time<\/th>\n<\/td>\n<\/tr>\n
Latest Message<\/th>\nTitle: Users may see failures when querying the Microsoft Graph Attack Simulation Training API with $Select OData query <\/p>\n

User impact: Users may see failures when querying the Microsoft Graph Attack Simulation Training API with $Select OData query. <\/p>\n

More info: The issue is specifically happening when using “$Select” as part of the query.<\/p>\n

Affected users can bypass the issue by not using “$Select” in the queries. <\/p>\n

Current status: Based on our analysis, we’ve determined that the code fix will take an extended amount of time to deploy to the affected environment. We’re monitoring the progress and currently estimate that the fix will reach all affected environments by the middle of September 2026. <\/p>\n

Scope of impact: This issue may impact any user querying the Microsoft Graph Attack Simulation Training API with $Select OData in Microsoft Defender. This section may be updated as our investigation continues. <\/p>\n

Start time: Thursday, August 13, 2026, at 6:41 PM UTC <\/p>\n

Root cause: A code regression after a recent services update is impacting OData $Select query, causing failures. <\/p>\n

Next update by: Wednesday, August 26, 2026, at 6:00 AM UTC<\/td>\n<\/tr>\n

Machine Translation<\/th>\n\u30bf\u30a4\u30c8\u30eb:\u30e6\u30fc\u30b6\u30fc\u306fMicrosoft Graph Attack Simulation Training API\u306bOData\u30af\u30a8\u30ea\u3092$Select\u3067\u554f\u3044\u5408\u308f\u305b\u305f\u969b\u306b\u5931\u6557\u3092\u76ee\u306b\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059 <\/p>\n

\u30e6\u30fc\u30b6\u30fc\u3078\u306e\u5f71\u97ff:Microsoft Graph Attack Simulation Training API\u306bOData\u30af\u30a8\u30ea\u3092\u63d0\u51fa\u3057\u305f\u969b\u306b\u5931\u6557$Select\u78ba\u8a8d\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n

\u3055\u3089\u306b\u8a73\u3057\u304f\u306f\u3001\u30af\u30a8\u30ea\u306b\u300c$Select\u300d\u3092\u4f7f\u3063\u305f\u3068\u304d\u306b\u7279\u306b\u554f\u984c\u304c\u8d77\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u5f71\u97ff\u3092\u53d7\u3051\u305f\u30e6\u30fc\u30b6\u30fc\u306f\u3001\u30af\u30a8\u30ea\u3067\u300c$Select\u300d\u3092\u4f7f\u308f\u305a\u306b\u554f\u984c\u3092\u56de\u907f\u3067\u304d\u307e\u3059\u3002 <\/p>\n

\u73fe\u72b6:\u5206\u6790\u306b\u57fa\u3065\u304d\u3001\u30b3\u30fc\u30c9\u4fee\u6b63\u304c\u5f71\u97ff\u3092\u53d7\u3051\u305f\u74b0\u5883\u3078\u306e\u5c55\u958b\u306b\u306f\u9577\u671f\u9593\u304b\u304b\u308b\u3068\u5224\u65ad\u3057\u307e\u3057\u305f\u3002\u9032\u6357\u3092\u76e3\u8996\u3057\u3066\u304a\u308a\u30012026\u5e749\u6708\u4e2d\u65ec\u307e\u3067\u306b\u3059\u3079\u3066\u306e\u5f71\u97ff\u3092\u53d7\u3051\u305f\u74b0\u5883\u306b\u4fee\u6b63\u304c\u5c4a\u304f\u3068\u898b\u8fbc\u3093\u3067\u3044\u307e\u3059\u3002 <\/p>\n

\u5f71\u97ff\u7bc4\u56f2:\u3053\u306e\u554f\u984c\u306f\u3001Microsoft Defender\u3067OData\u3092$Select\u3057\u305fMicrosoft Graph Attack Simulation Training API\u3092\u554f\u3044\u5408\u308f\u305b\u308b\u30e6\u30fc\u30b6\u30fc\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306f\u8abf\u67fb\u304c\u9032\u3080\u306b\u3064\u308c\u3066\u66f4\u65b0\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n

\u958b\u59cb\u6642\u9593:2026\u5e748\u670813\u65e5\u6728\u66dc\u65e5 18:41 UTC <\/p>\n

\u6839\u672c\u539f\u56e0:\u6700\u8fd1\u306e\u30b5\u30fc\u30d3\u30b9\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u5f8c\u306e\u30b3\u30fc\u30c9\u56de\u5e30\u304cOData\u306e$Select\u30af\u30a8\u30ea\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u3001\u5931\u6557\u3092\u5f15\u304d\u8d77\u3053\u3057\u3066\u3044\u307e\u3059\u3002 <\/p>\n

\u6b21\u56de\u66f4\u65b0:2026\u5e748\u670826\u65e5\u6c34\u66dc\u65e5 \u5348\u524d6\u6642 UTC<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

DZ1459263 | Microsoft Defender XDR | Users may see failures when querying the Microsoft Graph Attack Simulatio […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-18008","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/18008","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/comments?post=18008"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/18008\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=18008"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=18008"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=18008"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}