{"id":7223,"date":"2024-07-10T01:01:17","date_gmt":"2024-07-09T16:01:17","guid":{"rendered":"https:\/\/m365jp.net\/?p=7223"},"modified":"2024-07-10T01:14:35","modified_gmt":"2024-07-09T16:14:35","slug":"servicerestored-dz809811-microsoft-defender-xdr-users-may-notice-attack-surface-reduction-asr-rules-incorrectly-blocking-various-actions-in-the-outlook-desktop-client","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2024-07-10-servicerestored-dz809811-microsoft-defender-xdr-users-may-notice-attack-surface-reduction-asr-rules-incorrectly-blocking-various-actions-in-the-outlook-desktop-client","title":{"rendered":"[serviceRestored] DZ809811 | Microsoft Defender XDR | Users may notice Attack Surface Reduction (ASR) rules incorrectly blocking various actions in the Outlook desktop client"},"content":{"rendered":"<div class=\"postie-post\">\n<div>\n<hr>\n<table id=\"section\">\n<tbody>\n<tr>\n<th width=\"95%\">DZ809811 | Microsoft Defender XDR | Users may notice Attack Surface Reduction (ASR) rules incorrectly blocking various actions in the Outlook desktop client<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr>\n<table id=\"data\">\n<tbody>\n<tr>\n<th>Status<\/th>\n<td class=\"bad\">serviceRestored<\/td>\n<\/tr>\n<tr>\n<th>Classification<\/th>\n<td>advisory<\/td>\n<\/tr>\n<tr>\n<th>User Impact<\/th>\n<td>Users may have noticed ASR rules incorrectly blocking various actions in the Outlook desktop client.<\/td>\n<\/tr>\n<tr>\n<th>Last Updated<\/th>\n<td>07\/09\/2024 15:58:33<\/td>\n<\/tr>\n<tr>\n<th>Start Time<\/th>\n<td>07\/09\/2024 04:47:00<\/td>\n<\/tr>\n<tr>\n<th>End Time<\/th>\n<td>07\/09\/2024 13:30:00<\/td>\n<\/tr>\n<tr>\n<th>Latest Message<\/th>\n<td>Title: Users may notice Attack Surface Reduction (ASR) rules incorrectly blocking various actions in the Outlook desktop client<\/p>\n<p>  User impact: Users may have noticed ASR rules incorrectly blocking various actions in the Outlook desktop client.<\/p>\n<p>  More info: Affected actions may have in included, but weren&#8217;t limited to:<\/p>\n<p>  &#8211; Joining a Microsoft Teams meeting from Outlook<br \/>  &#8211; Opening image files (.jpg) with the default photos app on Windows<\/p>\n<p>  Final status: We identified that a recent service update introduced a faulty signature code change that caused the ASR rules to block various actions in the Outlook desktop client. We&#8217;ve completed the deployment of an updated build that contains a signature   code fix and we&#8217;ve confirmed that impact is remediated.<\/p>\n<p>  Scope of impact: Some users attempting to perform various actions in the Outlook desktop client may have been impacted.<\/p>\n<p>  Start time: Tuesday, July 9, 2024, at 4:47 AM UTC<\/p>\n<p>  End time: Tuesday, July 9, 2024, at 1:30 PM UTC<\/p>\n<p>  Root cause: A recent service update introduced a faulty signature code change that caused the ASR rules to block various actions in the Outlook desktop client.<\/p>\n<p>  Next steps: <br \/>  &#8211; We&#8217;re reviewing our service update procedure to determine methods of identifying similar code issues before they are deployed in the future.<\/p>\n<p>  This is the final update for the event.<\/td>\n<\/tr>\n<tr>\n<th>Machine Translation<\/th>\n<td>\u30bf\u30a4\u30c8\u30eb: \u30e6\u30fc\u30b6\u30fc\u306f\u3001\u653b\u6483\u9762\u306e\u7e2e\u5c0f (ASR) \u30eb\u30fc\u30eb\u304c Outlook \u30c7\u30b9\u30af\u30c8\u30c3\u30d7 \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u3055\u307e\u3056\u307e\u306a\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u8aa4\u3063\u3066\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u6c17\u4ed8\u304f\u5834\u5408\u304c\u3042\u308a\u307e\u3059<\/p>\n<p>  \u30e6\u30fc\u30b6\u30fc\u3078\u306e\u5f71\u97ff: \u30e6\u30fc\u30b6\u30fc\u306f\u3001ASR \u30eb\u30fc\u30eb\u304c Outlook \u30c7\u30b9\u30af\u30c8\u30c3\u30d7 \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u3055\u307e\u3056\u307e\u306a\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u8aa4\u3063\u3066\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u6c17\u4ed8\u3044\u305f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>  \u8a73\u7d30\u60c5\u5831: \u5f71\u97ff\u3092\u53d7\u3051\u308b\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u542b\u307e\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u3089\u306b\u9650\u5b9a\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>  &#8211; Outlook \u304b\u3089 Microsoft Teams \u4f1a\u8b70\u306b\u53c2\u52a0\u3059\u308b<br \/>  &#8211; Windows\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u5199\u771f\u30a2\u30d7\u30ea\u3067\u753b\u50cf\u30d5\u30a1\u30a4\u30eb(.jpg)\u3092\u958b\u304f<\/p>\n<p>  \u6700\u7d42\u72b6\u614b: \u6700\u8fd1\u306e\u30b5\u30fc\u30d3\u30b9\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u3088\u308a\u3001ASR \u30eb\u30fc\u30eb\u304c Outlook \u30c7\u30b9\u30af\u30c8\u30c3\u30d7 \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u3055\u307e\u3056\u307e\u306a\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u539f\u56e0\u3068\u306a\u308b\u3001\u8aa4\u3063\u305f\u7f72\u540d\u30b3\u30fc\u30c9\u306e\u5909\u66f4\u304c\u5c0e\u5165\u3055\u308c\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002\u7f72\u540d\u30b3\u30fc\u30c9\u306e\u4fee\u6b63\u3092\u542b\u3080\u66f4\u65b0\u3055\u308c\u305f\u30d3\u30eb\u30c9\u306e\u30c7\u30d7\u30ed\u30a4\u3092\u5b8c\u4e86\u3057\u3001\u5f71\u97ff\u304c\u4fee\u5fa9\u3055\u308c\u305f\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>  \u5f71\u97ff\u7bc4\u56f2: Outlook \u30c7\u30b9\u30af\u30c8\u30c3\u30d7 \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u3055\u307e\u3056\u307e\u306a\u64cd\u4f5c\u3092\u5b9f\u884c\u3057\u3088\u3046\u3068\u3057\u305f\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u5f71\u97ff\u3092\u53d7\u3051\u305f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>  \u958b\u59cb\u6642\u523b: 2024 \u5e74 7 \u6708 9 \u65e5\u706b\u66dc\u65e5\u306e\u5348\u524d 4 \u6642 47 \u5206 (UTC)<\/p>\n<p>  \u7d42\u4e86\u6642\u523b: 2024 \u5e74 7 \u6708 9 \u65e5\u706b\u66dc\u65e5\u5348\u5f8c 1 \u6642 30 \u5206 (UTC)<\/p>\n<p>  \u6839\u672c\u539f\u56e0: \u6700\u8fd1\u306e\u30b5\u30fc\u30d3\u30b9\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306f\u3001\u7f72\u540d\u30b3\u30fc\u30c9\u306e\u5909\u66f4\u306b\u8aa4\u308a\u304c\u3042\u308a\u3001ASR \u30eb\u30fc\u30eb\u306b\u3088\u3063\u3066 Outlook \u30c7\u30b9\u30af\u30c8\u30c3\u30d7 \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3067\u306e\u3055\u307e\u3056\u307e\u306a\u30a2\u30af\u30b7\u30e7\u30f3\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>  \u6b21\u306e\u30b9\u30c6\u30c3\u30d7:<br \/>  &#8211; \u30b5\u30fc\u30d3\u30b9\u306e\u66f4\u65b0\u624b\u9806\u3092\u898b\u76f4\u3057\u3066\u3001\u4eca\u5f8c\u5c55\u958b\u3055\u308c\u308b\u524d\u306b\u540c\u69d8\u306e\u30b3\u30fc\u30c9\u306e\u554f\u984c\u3092\u7279\u5b9a\u3059\u308b\u65b9\u6cd5\u3092\u6c7a\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>  \u3053\u308c\u304c\u30a4\u30d9\u30f3\u30c8\u306e\u6700\u7d42\u66f4\u65b0\u3067\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>DZ809811 | Microsoft Defender XDR | Users may notice Attack Surface Reduction (ASR) rules incorrectly blocking [&hellip;]<\/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-7223","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/7223","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=7223"}],"version-history":[{"count":0,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/posts\/7223\/revisions"}],"wp:attachment":[{"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/media?parent=7223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/categories?post=7223"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/m365jp.net\/index.php\/wp-json\/wp\/v2\/tags?post=7223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}