{"id":134880,"date":"2026-07-01T11:23:28","date_gmt":"2026-07-01T02:23:28","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=134880"},"modified":"2026-07-01T11:23:28","modified_gmt":"2026-07-01T02:23:28","slug":"microsoft-authenticator-security-update","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/microsoft-authenticator-security-update\/","title":{"rendered":"Microsoft Authenticator\u3001root\u5316\u30fb\u8131\u7344\u7aef\u672b\u3078\u306e\u8b66\u544a\u3068\u30d6\u30ed\u30c3\u30af\u3092\u958b\u59cb"},"content":{"rendered":"

\"\"<\/p>\n

Microsoft\u304c\u7ba1\u7406\u8005\u5411\u3051\u30dd\u30fc\u30bf\u30eb\u3067\u516c\u958b\u3057\u305f\u6700\u65b0\u60c5\u5831\u306b\u3088\u308b\u3068\u3001Microsoft Authenticator\u3067\u306f\u4eca\u5f8c\u3001root\u5316\u3055\u308c\u305fAndroid\u7aef\u672b\u3084\u8131\u7344\u6e08\u307fiPhone\u3067\u306e\u300cEntra(\u65e7Azure AD)\u30a2\u30ab\u30a6\u30f3\u30c8\u300d\u306e\u5229\u7528\u304c\u6bb5\u968e\u7684\u306b\u30d6\u30ed\u30c3\u30af\u3055\u308c\u3066\u3044\u304f\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f(Windows Latest<\/a>)\u3002<\/p>\n

\u4eca\u56de\u306e\u5236\u9650\u306f\u3001Microsoft Entra ID(\u4f1a\u793e\u30fb\u5b66\u6821\u306e\u30a2\u30ab\u30a6\u30f3\u30c8)\u306b\u7d10\u3065\u304f\u8a8d\u8a3c\u3060\u3051\u304c\u5bfe\u8c61\u3067\u3059\u3002Outlook(\u4ed5\u4e8b\u7528)\u3001Teams\u3001SharePoint\u3001OneDrive for Business\u3001Microsoft 365\u3001Azure\u3001Intune\u306a\u3069\u3001\u7d44\u7e54\u30a2\u30ab\u30a6\u30f3\u30c8\u306e\u30b5\u30a4\u30f3\u30a4\u30f3\u306bAuthenticator\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u7aef\u672b\u304croot\u5316\uff0f\u8131\u7344\u3055\u308c\u3066\u3044\u308b\u3068\u8a8d\u8a3c\u304c\u30d6\u30ed\u30c3\u30af\u3055\u308c\u307e\u3059\u3002<\/p>\n

\u4e00\u65b9\u3067\u3001GitHub\u3084Cloudflare\u3001Facebook\u3001Instagram\u306a\u3069\u3001QR\u30b3\u30fc\u30c9\u3067\u767b\u9332\u3057\u305f\u4e00\u822c\u7684\u306a2FA\u30b3\u30fc\u30c9\u306f\u5f15\u304d\u7d9a\u304d\u5229\u7528\u53ef\u80fd\u3067\u3059\u3002\u305f\u3060\u3057\u4f8b\u5916\u3068\u3057\u3066\u3001GitHub\u30ed\u30b0\u30a4\u30f3\u304c\u300cSign in with Microsoft\u300d\u3067\u4f1a\u793e\u306eEntra\u30a2\u30ab\u30a6\u30f3\u30c8\u306b\u7d10\u3065\u3044\u3066\u3044\u308b\u5834\u5408\u306f\u5f71\u97ff\u3092\u53d7\u3051\u308b\u305d\u3046\u3067\u3059\u3002<\/p>\n

\u5c0e\u5165\u306f\u6bb5\u968e\u7684\u306b\u307e\u305a\u8b66\u544a\u3001\u6700\u7d42\u7684\u306b\u30d6\u30ed\u30c3\u30af<\/h2>\n

Microsoft\u306f\u3053\u306e\u6a5f\u80fd\u3092\u300c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u306e\u305f\u3081\u306e\u81ea\u52d5\u9069\u7528\u300d\u3068\u8aac\u660e<\/a>\u3057\u3066\u304a\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u5074\u3067\u30aa\u30d7\u30c8\u30a2\u30a6\u30c8\u3059\u308b\u65b9\u6cd5\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

\"\"<\/p>\n

\u5c0e\u5165\u306f\u4ee5\u4e0b\u306e3\u6bb5\u968e\u3067\u9032\u307f\u307e\u3059\u3002<\/p>\n

    \n
  1. \n

    \u8b66\u544a\u30d5\u30a7\u30fc\u30ba<\/strong><\/span><\/p>\n

      \n
    • \n

      iOS\u3067\u306f\u300c\u3053\u306e\u30c7\u30d0\u30a4\u30b9\u306f\u8131\u7344\u3055\u308c\u3066\u3044\u307e\u3059\u300d<\/span><\/p>\n<\/li>\n

    • \n

      Android\u3067\u306f\u300c\u3053\u306e\u30c7\u30d0\u30a4\u30b9\u306froot\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u300d
      \n\u3068\u3044\u3063\u305f\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u3001\u30db\u30fc\u30e0\u753b\u9762\u306b\u3082\u5e38\u6642\u30d0\u30ca\u30fc\u304c\u51fa\u307e\u3059\u3002<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n

    • \n

      \u7336\u4e88\u671f\u9593\uff08\u7d041\u304b\u6708\uff09<\/strong>
      \n\u8b66\u544a\u3092\u7121\u8996\u3057\u3066\u5229\u7528\u3092\u7d9a\u3051\u308b\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\u304c\u3001\u5c06\u6765\u7684\u306b\u4f7f\u3048\u306a\u304f\u306a\u308b\u3053\u3068\u304c\u660e\u793a\u3055\u308c\u307e\u3059\u3002<\/span><\/p>\n<\/li>\n

    • \n

      \u30d6\u30ed\u30c3\u30af\u30d5\u30a7\u30fc\u30ba<\/strong>
      \n\u65b0\u3057\u3044\u8a8d\u8a3c\u60c5\u5831\u306e\u8ffd\u52a0\u3084\u30b5\u30a4\u30f3\u30a4\u30f3\u304c\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002
      \n\u5229\u7528\u3092\u7d9a\u3051\u308b\u306b\u306f\u3001root\u5316\uff0f\u8131\u7344\u72b6\u614b\u3092\u89e3\u9664\u3059\u308b\u304b\u3001\u65b0\u3057\u3044\u7aef\u672b\u3092\u7528\u610f\u3059\u308b\u5fc5\u8981<\/strong>\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/p>\n<\/li>\n<\/ol>\n

      \u3053\u306e\u5909\u66f4\u306f2026\u5e742\u6708\u306b\u958b\u59cb\u4e88\u5b9a\u3067\u3057\u305f\u304c\u3001\u9045\u5ef6\u3057\u3066\u304a\u308a\u3001\u73fe\u5728\u306f\u300c\u6570\u9031\u9593\u4ee5\u5185\u306b\u5b8c\u4e86\u4e88\u5b9a\u3001\u6b63\u5f0f\u76ee\u6a19\u306f2026\u5e74\u4e2d\u9803\u300d\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306f7\u6708\u672b\u307e\u3067\u306b\u8b66\u544a\u307e\u305f\u306f\u30d6\u30ed\u30c3\u30af\u3092\u4f53\u9a13\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

      \u307e\u3068\u3081<\/h2>\n

      \u4eca\u56de\u306e\u5909\u66f4\u306f\u3001\u4f01\u696d\u3084\u5b66\u6821\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u5b88\u308b\u305f\u3081\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f37\u5316\u7b56\u3067\u3042\u308a\u3001\u500b\u4eba\u5229\u7528\u306eAuthenticator\u306b\u306f\u76f4\u63a5\u5f71\u97ff\u3057\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u3001\u4ed5\u4e8b\u7528\u30a2\u30ab\u30a6\u30f3\u30c8\u3092root\u5316\uff0f\u8131\u7344\u7aef\u672b\u3067\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u65e9\u3081\u306b\u5bfe\u7b56\u3092\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      Microsoft\u304c\u7ba1\u7406\u8005\u5411\u3051\u30dd\u30fc\u30bf\u30eb\u3067\u516c\u958b\u3057\u305f\u6700\u65b0\u60c5\u5831\u306b\u3088\u308b\u3068\u3001Microsoft Authenticator\u3067\u306f\u4eca\u5f8c\u3001root\u5316\u3055\u308c\u305fAndroid\u7aef\u672b\u3084\u8131\u7344\u6e08\u307fiPhone\u3067\u306e\u300cEntra(\u65e7Azure AD)\u30a2\u30ab […]<\/p>\n","protected":false},"author":2,"featured_media":134881,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[75],"tags":[87],"class_list":["post-134880","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software","tag-microsoft"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/134880","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=134880"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/134880\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/134881"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=134880"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=134880"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=134880"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}