{"id":25067,"date":"2025-12-05T11:22:29","date_gmt":"2025-12-05T11:22:29","guid":{"rendered":"https:\/\/itbusinesstoday.com\/?p=25067"},"modified":"2025-12-05T11:22:29","modified_gmt":"2025-12-05T11:22:29","slug":"microsoft-rolls-out-critical-windows-security-update","status":"publish","type":"post","link":"https:\/\/itbusinesstoday.com\/ja\/tech\/cybersecurity\/microsoft-rolls-out-critical-windows-security-update\/","title":{"rendered":"\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u3001Windows\u306e\u91cd\u5927\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u914d\u5e03"},"content":{"rendered":"

\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u793e\u306f\u3001Windows OS \u5411\u3051\u306e\u91cd\u8981\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u3001\u901a\u5e38\u306e\u6708\u4f8b\u30d1\u30c3\u30c1\u30fb\u706b\u66dc\u65e5\uff08Patch-Tuesday\uff09\u3092\u8fc2\u56de\u3057\u3001\u300c\u30b5\u30a4\u30ec\u30f3\u30c8\u30fb\u30a2\u30af\u30c6\u30a3\u30d6\u5316\u300d\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u76ee\u7684\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u653b\u6483\u306b\u3055\u3089\u3059\u53ef\u80fd\u6027\u306e\u3042\u308b\u6df1\u523b\u306a\u8106\u5f31\u6027\u306b\u30d1\u30c3\u30c1\u3092\u5f53\u3066\u308b\u3053\u3068\u3067\u3042\u308a\u3001\u305d\u306e\u7d50\u679c\u3001\u4e16\u754c\u4e2d\u306e\u4f01\u696d\u3084IT\u7ba1\u7406\u8005\u304c\u66f4\u65b0\u30dd\u30ea\u30b7\u30fc\u3092\u898b\u76f4\u3059\u3053\u3068\u306b\u306a\u308a\u307e\u3057\u305f\u3002.<\/p>\n

\u3053\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u5b9f\u65bd\u3055\u308c\u305f\u3053\u3068\u3067\u3001\u65e5\u672c\u306b\u62e0\u70b9\u3092\u7f6e\u304f\u7d44\u7e54\u3082\u542b\u3081\u3001Windows \u74b0\u5883\u304c\u5b89\u5168\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u7d76\u3048\u305a\u6fc0\u5316\u3059\u308b\u8105\u5a01\u306e\u72b6\u6cc1\u3092\u53d7\u3051\u3066\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u614b\u52e2\u3092\u8a55\u4fa1\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002.<\/p>\n

\u5909\u66f4\u70b9\uff1a\u30b5\u30a4\u30ec\u30f3\u30c8\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30d1\u30c3\u30c1<\/strong><\/h4>\n

\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u306f\u3001\u91cd\u5927\u306a\u30ea\u30b9\u30af\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u3001\u30b5\u30a4\u30af\u30eb\u5916\u306e\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30ea\u30ea\u30fc\u30b9\u3059\u308b\u3068\u3044\u3046\u7570\u4f8b\u306e\u63aa\u7f6e\u3092\u3068\u308a\u307e\u3057\u305f\u3002\u3053\u306e\u30d1\u30c3\u30c1\u306f\u3001\u653b\u6483\u8005\u304c\u30b7\u30b9\u30c6\u30e0\u306b\u4fb5\u5165\u3057\u305f\u308a\u3001\u3088\u308a\u9ad8\u3044\u7279\u6a29\u3092\u5f97\u305f\u308a\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u4e0d\u5177\u5408\u3092\u4fee\u6b63\u3059\u308b\u3082\u306e\u3067\u3059\u3002\u3053\u308c\u306f\u3001Windows \u30d9\u30fc\u30b9\u306e\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u4f01\u696d\u306b\u3068\u3063\u3066\u5927\u304d\u306a\u61f8\u5ff5\u4e8b\u9805\u3067\u3059\u3002.<\/p>\n

\u3053\u3061\u3089\u3082\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\uff1a Netskope\u3068\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u304c\u4f01\u696d\u5411\u3051\u30af\u30e9\u30a6\u30c9\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5f37\u5316<\/a><\/h4>\n

\u4eca\u56de\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u610f\u7fa9<\/strong><\/p>\n

\u901a\u5e38\u306e\u4e8b\u524d\u306e\u8b66\u544a\u3084\u5b9a\u671f\u7684\u306a\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u30ab\u30bf\u30ed\u30b0\u3078\u306e\u63b2\u8f09\u3082\u306a\u304f\u3001\u30ea\u30b9\u30af\u306e\u6df1\u523b\u3055\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f\u3002.<\/p>\n

\u3053\u306e\u554f\u984c\u306f\u3001\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u304c\u307e\u3060\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u3092\u542b\u3081\u3001\u4e16\u754c\u4e2d\u306e Windows \u30e6\u30fc\u30b6\u30fc\u306e\u5e45\u5e83\u3044\u5c64\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u7d44\u7e54\u306b\u3068\u3063\u3066\u30d1\u30c3\u30c1\u5c0e\u5165\u306e\u691c\u8a3c\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002.<\/p>\n

\u30b9\u30c6\u30eb\u30b9\u914d\u4fe1\u306f\u3001\u4e88\u6e2c\u53ef\u80fd\u306a\u30ea\u30ea\u30fc\u30b9\u30fb\u30b5\u30a4\u30af\u30eb\u304b\u3089\u30b9\u30d4\u30fc\u30c9\u3068\u30ab\u30d0\u30ec\u30c3\u30b8\u91cd\u8996\u3078\u3068\u79fb\u884c\u3057\u305f\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30fb\u30d9\u30f3\u30c0\u30fc\u306b\u3088\u308b\u65b0\u305f\u306a\u8105\u5a01\u3078\u306e\u5bfe\u5fdc\u65b9\u6cd5\u306e\u5909\u5316\u3092\u6d6e\u304d\u5f6b\u308a\u306b\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n

\u65e5\u672c\u4f01\u696d\u3068\u30cf\u30a4\u30c6\u30af\u7523\u696d\u3078\u306e\u5f71\u97ff<\/strong><\/h4>\n

\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30ea\u30b9\u30af\u306b\u5bfe\u3059\u308b\u610f\u8b58\u306e\u9ad8\u307e\u308a<\/strong><\/h4>\n

\u65e5\u672c\u306f\u591a\u304f\u306e\u56fd\u3068\u540c\u69d8\u3001Windows\u30b7\u30b9\u30c6\u30e0\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u4f01\u696d\u3001\u516c\u5171\u6a5f\u95a2\u3001\u4e2d\u5c0f\u4f01\u696d\u306b\u5f53\u3066\u306f\u307e\u308a\u307e\u3059\u3002\u3053\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306f\u8b66\u9418\u3067\u3059\u3002\u6df1\u523b\u306a\u8106\u5f31\u6027\u306f\u3044\u3064\u3067\u3082\u73fe\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4f01\u696d\u306f\u3001\u30d1\u30c3\u30c1\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3001\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5bfe\u5fdc\u8a08\u753b\u3001\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u624b\u9806\u3092\u898b\u76f4\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u4f01\u696d\u304c\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u30ef\u30fc\u30af\u30e2\u30c7\u30eb\u3084\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3092\u5229\u7528\u3059\u308b\u3088\u3046\u306b\u306a\u308b\u3068\u3001\u653b\u6483\u306b\u5bfe\u3059\u308b\u8106\u5f31\u6027\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30bf\u30a4\u30e0\u30ea\u30fc\u3067\u5b8c\u5168\u306a\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306f\u3001\u30c7\u30fc\u30bf\u3068\u696d\u52d9\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u9375\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n

\u30d7\u30ed\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u614b\u52e2\u306e\u63a8\u9032<\/strong><\/h4>\n

\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u304c\u901a\u5e38\u306e\u30d1\u30c3\u30c1\u30b5\u30a4\u30af\u30eb\u3092\u56de\u907f\u3057\u305f\u3053\u3068\u3067\u3001\u4f01\u696d\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u3092\u3088\u308a\u7a4d\u6975\u7684\u306b\u884c\u3046\u5fc5\u8981\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\uff1a<\/p>\n

\u5b9a\u671f\u7684\u306a\u30b5\u30a4\u30af\u30eb\u3092\u5f85\u305f\u305a\u306b\u3001\u8b66\u544a\u5f8c\u3059\u3050\u306b\u30d1\u30c3\u30c1\u3092\u691c\u8a3c<\/p>\n

\u65e5\u672c\u306f\u30c7\u30fc\u30bf\u4fdd\u8b77\u3001\u898f\u5236\u9075\u5b88\u3001\u4e8b\u696d\u7d99\u7d9a\u306e\u5206\u91ce\u3067\u30ea\u30fc\u30c9\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5909\u5316\u306b\u3088\u308a\u3001\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u4fdd\u8b77\u3001\u4fb5\u5165\u691c\u77e5\u3001\u5b9a\u671f\u7684\u306a\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u304c\u65b0\u305f\u306a\u6a19\u6e96\u3068\u306a\u308b\u3067\u3057\u3087\u3046\u3002\u30de\u30cd\u30fc\u30b8\u30c9\u30fb\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30b5\u30fc\u30d3\u30b9\u306e\u9700\u8981\u306f\u9ad8\u307e\u308b\u3067\u3057\u3087\u3046\u3002\u5916\u90e8\u76e3\u67fb\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30b3\u30f3\u30b5\u30eb\u30c6\u30a3\u30f3\u30b0\u306e\u30cb\u30fc\u30ba\u3082\u9ad8\u307e\u308b\u3067\u3057\u3087\u3046\u3002.<\/p>\n

\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5e02\u5834\u306f\u6210\u9577\u3059\u308b\u3067\u3057\u3087\u3046\u3002\u30d9\u30f3\u30c0\u30fc\u3001\u30b5\u30fc\u30d3\u30b9\u30fb\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3001MSSP \u306e\u9700\u8981\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002\u30db\u30ea\u30c7\u30fc\u30b7\u30fc\u30ba\u30f3\u306b\u306f\u3001\u4f01\u696d\u306f\u91cd\u8981\u306a\u30d1\u30c3\u30c1\u3092\u8fc5\u901f\u306b\u5c0e\u5165\u3057\u307e\u3059\u3002\u3053\u306e\u305f\u3081\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30b5\u30fc\u30d3\u30b9\u306e\u30a2\u30a6\u30c8\u30bd\u30fc\u30b7\u30f3\u30b0\u306b\u5bfe\u3059\u308b\u30cb\u30fc\u30ba\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002MSSP\u3084IT\u30b3\u30f3\u30b5\u30eb\u30bf\u30f3\u30c8\u306f\u3001\u4f01\u696d\u304c\u5c02\u9580\u5bb6\u306e\u30d1\u30fc\u30c8\u30ca\u30fc\u3092\u9078\u3076\u3053\u3068\u3067\u5229\u76ca\u3092\u5f97\u308b\u3067\u3057\u3087\u3046\u3002\u3053\u308c\u3089\u306e\u30d1\u30fc\u30c8\u30ca\u30fc\u306f\u3001\u30d1\u30c3\u30c1\u9069\u7528\u3001\u76e3\u8996\u3001\u30ed\u30ae\u30f3\u30b0\u3001\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u5bfe\u5fdc\u3092\u7ba1\u7406\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u793e\u5185\u306e\u30b3\u30b9\u30c8\u3092\u524a\u6e1b\u3057\u3001\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n

\u65e5\u672c\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4f01\u696d\u306f\u3001\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u4fdd\u8b77\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9632\u5fa1\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306a\u3069\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u7279\u306b\u3001\u793e\u5185\u306b\u5927\u898f\u6a21\u306aIT\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30c1\u30fc\u30e0\u3092\u6301\u305f\u306a\u3044\u4e2d\u5805\u4f01\u696d\u306b\u3068\u3063\u3066\u306f\u3001\u65b0\u305f\u306a\u30c1\u30e3\u30f3\u30b9\u3068\u306a\u308b\u3067\u3057\u3087\u3046\u3002.<\/p>\n

\u30ec\u30ac\u30b7\u30fc\u306b\u304a\u3051\u308bIT\u30ac\u30d0\u30ca\u30f3\u30b9\u3078\u306e\u5727\u529b<\/strong>-\u91cd\u3044\u74b0\u5883<\/strong><\/h4>\n

\u65e5\u672c\u306e\u4f01\u696d\u306e\u591a\u304f\u306f\u3001\u53e4\u3044\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306b\u8ab2\u984c\u3092\u62b1\u3048\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u53e4\u3044Windows\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3001\u793e\u5185\u306e\u30b5\u30fc\u30d0\u30fc\u3001\u30ab\u30b9\u30bf\u30e0\u30a2\u30d7\u30ea\u306a\u3069\u304c\u30ea\u30b9\u30af\u306b\u3055\u3089\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5b89\u5168\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u5b9a\u671f\u7684\u306a\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30b5\u30a4\u30ec\u30f3\u30c8\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306f\u3001IT\u306e\u8fd1\u4ee3\u5316\u3092\u4e00\u6c17\u306b\u52a0\u901f\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u305f\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u4f7f\u7528\u3057\u3001\u5c02\u9580\u7684\u306a\u30d1\u30c3\u30c1\u7ba1\u7406\u30c4\u30fc\u30eb\u3092\u63a1\u7528\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.<\/p>\n

\u3053\u308c\u306b\u3088\u308a\u3001\u6700\u65b0\u306eIT\u3078\u306e\u6295\u8cc7\u304c\u4fc3\u9032\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u4eee\u60f3\u5316\u3001\u30af\u30e9\u30a6\u30c9\u79fb\u884c\u3001\u30b7\u30b9\u30c6\u30e0\u7d71\u5408\u3001\u65e7\u30b7\u30b9\u30c6\u30e0\u306e\u66f4\u65b0\u306a\u3069\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u30b9\u30c6\u30c3\u30d7\u3092\u8e0f\u3080\u3053\u3068\u3067\u3001\u591a\u304f\u306e\u696d\u754c\u3067\u30c7\u30b8\u30bf\u30eb\u30c8\u30e9\u30f3\u30b9\u30d5\u30a9\u30fc\u30e1\u30fc\u30b7\u30e7\u30f3\u304c\u52a0\u901f\u3057\u307e\u3059\u3002.<\/p>\n

\u8ab2\u984c\u3068\u6ce8\u76ee\u70b9<\/strong><\/h4>\n

\u66f4\u65b0\u7ba1\u7406\u306e\u8907\u96d1\u3055\uff1a<\/strong> \u5927\u898f\u6a21\u306a\u30de\u30b7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u4f01\u696d\u3067\u306f\u3001\u4e88\u671f\u3057\u306a\u3044\u4e92\u63db\u6027\u3084\u30c6\u30b9\u30c8\u306e\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u9759\u304b\u306b\u30d7\u30c3\u30b7\u30e5\u914d\u4fe1\u3055\u308c\u308b\u3053\u3068\u306b\u9a5a\u304b\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4f01\u696d\u306f\u3001\u30c6\u30b9\u30c8\u3068\u30ed\u30fc\u30eb\u30d0\u30c3\u30af\u306e\u8a08\u753b\u306b\u3064\u3044\u3066\u5f37\u529b\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u6301\u3064\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u30ec\u30ac\u30b7\u30fc\u30b7\u30b9\u30c6\u30e0\u306e\u30ea\u30b9\u30af\uff1a<\/strong> \u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306f\u3001\u53e4\u3044\u30b7\u30b9\u30c6\u30e0\u3084\u7279\u6b8a\u306a\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3046\u307e\u304f\u6a5f\u80fd\u3057\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u4f01\u696d\u306f\u3001\u30d1\u30c3\u30c1\u9069\u7528\u5f8c\u306b\u30df\u30c3\u30b7\u30e7\u30f3\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u5b89\u5b9a\u6027\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u30ea\u30bd\u30fc\u30b9\u306e\u5236\u7d04\uff1a<\/strong> \u4e2d\u5c0f\u4f01\u696d\u3067\u306f\u3001\u8fc5\u901f\u306a\u30d1\u30c3\u30c1\u7ba1\u7406\u3092\u884c\u3046\u305f\u3081\u306e\u4eba\u54e1\u3084\u30b9\u30ad\u30eb\u304c\u4e0d\u8db3\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u5916\u90e8\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u983c\u308b\u3053\u3068\u304c\u591a\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n

\u30e6\u30fc\u30b6\u30fc\u306e\u610f\u8b58\uff1a<\/strong> \u30d1\u30c3\u30c1\u306b\u95a2\u9023\u3057\u305f\u518d\u8d77\u52d5\u3084\u4e2d\u65ad\u306b\u3064\u3044\u3066\u3001\u5f93\u696d\u54e1\u306b\u77e5\u3089\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30d1\u30c3\u30c1\u304c\u7a81\u7136\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u5834\u5408\u306b\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002.<\/p>\n

\u7d50\u8ad6<\/strong><\/h4>\n

\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u306e\u91cd\u8981\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u9759\u304b\u306a\u5c55\u958b\u306f\u3001\u660e\u78ba\u306a\u8b66\u544a\u3067\u3059\u3002\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8105\u5a01\u306f\u6025\u901f\u306b\u62e1\u5927\u3057\u3066\u3044\u307e\u3059\u3002\u65e5\u672c\u4f01\u696d\u306f\u3001\u512a\u308c\u305f\u30b5\u30a4\u30d0\u30fc\u885b\u751f\u7ba1\u7406\u3001\u7a4d\u6975\u7684\u306a\u30d1\u30c3\u30c1\u7ba1\u7406\u3001\u5f37\u529b\u306a\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30fb\u30ac\u30d0\u30ca\u30f3\u30b9\u304c\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3053\u3068\u3092\u77e5\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3082\u306f\u3084\u5358\u306a\u308b\u63d0\u6848\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u65b0\u305f\u306a\u8105\u5a01\u304b\u3089\u8eab\u3092\u5b88\u308b\u305f\u3081\u306b\u3001\u7d44\u7e54\u306b\u306f\u5f37\u529b\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6226\u7565\u304c\u5fc5\u8981\u3067\u3059\u3002IT\u30b7\u30b9\u30c6\u30e0\u3092\u66f4\u65b0\u3057\u3001\u5c02\u9580\u5bb6\u306e\u52a9\u3051\u3092\u501f\u308a\u308b\u3079\u304d\u3067\u3059\u3002\u305d\u3046\u3059\u308c\u3070\u3001\u30c7\u30fc\u30bf\u3001\u8a55\u5224\u3001\u4e8b\u696d\u7d99\u7d9a\u6027\u3092\u5b88\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n

\u3057\u304b\u3057 \u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8<\/a>\u2018\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306f\u3001\u8b66\u6212\u3001\u30b9\u30d4\u30fc\u30c9\u3001\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u306b\u3088\u3063\u3066\u5b9a\u7fa9\u3055\u308c\u308b\u3001\u4f01\u696d\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u898f\u5f8b\u306e\u65b0\u6642\u4ee3\u304c\u59cb\u307e\u3063\u305f\u3070\u304b\u308a\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u4e16\u754c\u7684\u306b\u6fc0\u5316\u3059\u308b\u30b5\u30a4\u30d0\u30fc\u8105\u5a01\u306e\u72b6\u6cc1\u306e\u4e2d\u3067\u8d77\u304d\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

In a rare move that has been noted by the industry, Microsoft has “silently activated” a critical security update for Windows operating systems, bypassing the usual monthly Patch\u2011Tuesday cadence. Its goal is to patch a serious vulnerability that may have exposed systems to attack, with enterprises and IT managers around the world reassessing their update policies as a result. With this update now in place, organisations – including those based in Japan – are encouraged to validate their Windows environments are secured and assess their cybersecurity posture in the wake of ever-aggressive threat landscapes. What Changed: The Silent Security Patch Microsoft took the unusual step of releasing an out-of-cycle update […]<\/p>\n","protected":false},"author":7,"featured_media":25068,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"wprm-recipe-roundup-name":"","wprm-recipe-roundup-description":"","postBodyCss":"","postBodyMargin":[],"postBodyPadding":[],"postBodyBackground":{"backgroundType":"classic","gradient":""},"footnotes":""},"categories":[184,8098,85],"tags":[110,2209,224,7291,9588],"ppma_author":[572],"class_list":{"0":"post-25067","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-cybersecurity","8":"category-news-articles","9":"category-tech","10":"tag-cybersecurity","11":"tag-it-system","12":"tag-microsoft","13":"tag-operating-system","14":"tag-windows-security"},"yoast_head":"\nMicrosoft Pushes Key Windows Security Update Silently<\/title>\n<meta name=\"description\" content=\"Microsoft silently activates a critical Windows security update to fix a major vulnerability, prompting IT teams to review update policies.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itbusinesstoday.com\/ja\/tech\/cybersecurity\/microsoft-rolls-out-critical-windows-security-update\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Microsoft Pushes Key Windows Security Update Silently\" \/>\n<meta property=\"og:description\" content=\"Microsoft silently activates a critical Windows security update to fix a major vulnerability, prompting IT teams to review update policies.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/itbusinesstoday.com\/ja\/tech\/cybersecurity\/microsoft-rolls-out-critical-windows-security-update\/\" \/>\n<meta property=\"og:site_name\" content=\"itbusinesstoday\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-05T11:22:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/itbusinesstoday.com\/wp-content\/uploads\/2025\/12\/Microsoft-Silently-Activates-Critical-Windows-Security-Update.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"ITBT StaffWriter\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"ITBT StaffWriter\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"4\u5206\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u3001\u91cd\u8981\u306aWindows\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u9ed9\u8a8d","description":"\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u3001\u91cd\u5927\u306a\u8106\u5f31\u6027\u3092\u4fee\u6b63\u3059\u308b\u91cd\u8981\u306a Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30b5\u30a4\u30ec\u30f3\u30c8\u8d77\u52d5\u3002.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/itbusinesstoday.com\/ja\/tech\/cybersecurity\/microsoft-rolls-out-critical-windows-security-update\/","og_locale":"ja_JP","og_type":"article","og_title":"Microsoft Pushes Key Windows Security Update Silently","og_description":"Microsoft silently activates a critical Windows security update to fix a major vulnerability, prompting IT teams to review update policies.","og_url":"https:\/\/itbusinesstoday.com\/ja\/tech\/cybersecurity\/microsoft-rolls-out-critical-windows-security-update\/","og_site_name":"itbusinesstoday","article_published_time":"2025-12-05T11:22:29+00:00","og_image":[{"width":1200,"height":800,"url":"https:\/\/itbusinesstoday.com\/wp-content\/uploads\/2025\/12\/Microsoft-Silently-Activates-Critical-Windows-Security-Update.webp","type":"image\/webp"}],"author":"ITBT StaffWriter","twitter_card":"summary_large_image","twitter_misc":{"\u57f7\u7b46\u8005":"ITBT StaffWriter","\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593":"4\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/itbusinesstoday.com\/tech\/cybersecurity\/microsoft-rolls-out-critical-windows-security-update\/#article","isPartOf":{"@id":"https:\/\/itbusinesstoday.com\/tech\/cybersecurity\/microsoft-rolls-out-critical-windows-security-update\/"},"author":{"name":"ITBT StaffWriter","@id":"https:\/\/itbusinesstoday-68b209.ingress-baronn.ewp.live\/#\/schema\/person\/94fb575e469aff25a4b938814d050f15"},"headline":"Microsoft Rolls Out Critical Windows Security Update","datePublished":"2025-12-05T11:22:29+00:00","mainEntityOfPage":{"@id":"https:\/\/itbusinesstoday.com\/tech\/cybersecurity\/microsoft-rolls-out-critical-windows-security-update\/"},"wordCount":803,"publisher":{"@id":"https:\/\/itbusinesstoday-68b209.ingress-baronn.ewp.live\/#organization"},"image":{"@id":"https:\/\/itbusinesstoday.com\/tech\/cybersecurity\/microsoft-rolls-out-critical-windows-security-update\/#primaryimage"},"thumbnailUrl":"https:\/\/itbusinesstoday.com\/wp-content\/uploads\/2025\/12\/Microsoft-Silently-Activates-Critical-Windows-Security-Update.webp","keywords":["cybersecurity","IT system","Microsoft","operating system","Windows Security"],"articleSection":["Cybersecurity","News Articles","Tech"],"inLanguage":"ja"},{"@type":"WebPage","@id":"https:\/\/itbusinesstoday.com\/tech\/cybersecurity\/microsoft-rolls-out-critical-windows-security-update\/","url":"https:\/\/itbusinesstoday.com\/tech\/cybersecurity\/microsoft-rolls-out-critical-windows-security-update\/","name":"\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u3001\u91cd\u8981\u306aWindows\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u9ed9\u8a8d","isPartOf":{"@id":"https:\/\/itbusinesstoday-68b209.ingress-baronn.ewp.live\/#website"},"primaryImageOfPage":{"@id":"https:\/\/itbusinesstoday.com\/tech\/cybersecurity\/microsoft-rolls-out-critical-windows-security-update\/#primaryimage"},"image":{"@id":"https:\/\/itbusinesstoday.com\/tech\/cybersecurity\/microsoft-rolls-out-critical-windows-security-update\/#primaryimage"},"thumbnailUrl":"https:\/\/itbusinesstoday.com\/wp-content\/uploads\/2025\/12\/Microsoft-Silently-Activates-Critical-Windows-Security-Update.webp","datePublished":"2025-12-05T11:22:29+00:00","description":"\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u3001\u91cd\u5927\u306a\u8106\u5f31\u6027\u3092\u4fee\u6b63\u3059\u308b\u91cd\u8981\u306a Windows \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u30b5\u30a4\u30ec\u30f3\u30c8\u8d77\u52d5\u3002.","breadcrumb":{"@id":"https:\/\/itbusinesstoday.com\/tech\/cybersecurity\/microsoft-rolls-out-critical-windows-security-update\/#breadcrumb"},"inLanguage":"ja","potentialAction":[{"@type":"ReadAction","target":["https:\/\/itbusinesstoday.com\/tech\/cybersecurity\/microsoft-rolls-out-critical-windows-security-update\/"]}]},{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/itbusinesstoday.com\/tech\/cybersecurity\/microsoft-rolls-out-critical-windows-security-update\/#primaryimage","url":"https:\/\/itbusinesstoday.com\/wp-content\/uploads\/2025\/12\/Microsoft-Silently-Activates-Critical-Windows-Security-Update.webp","contentUrl":"https:\/\/itbusinesstoday.com\/wp-content\/uploads\/2025\/12\/Microsoft-Silently-Activates-Critical-Windows-Security-Update.webp","width":1200,"height":800,"caption":"Microsoft"},{"@type":"BreadcrumbList","@id":"https:\/\/itbusinesstoday.com\/tech\/cybersecurity\/microsoft-rolls-out-critical-windows-security-update\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/itbusinesstoday.com\/"},{"@type":"ListItem","position":2,"name":"Microsoft Rolls Out Critical Windows Security Update"}]},{"@type":"WebSite","@id":"https:\/\/itbusinesstoday-68b209.ingress-baronn.ewp.live\/#website","url":"https:\/\/itbusinesstoday-68b209.ingress-baronn.ewp.live\/","name":"\u30a4\u30c3\u30c8\u30d3\u30b8\u30cd\u30b9\u30c8\u30a5\u30c7\u30a4","description":"","publisher":{"@id":"https:\/\/itbusinesstoday-68b209.ingress-baronn.ewp.live\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/itbusinesstoday-68b209.ingress-baronn.ewp.live\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ja"},{"@type":"Organization","@id":"https:\/\/itbusinesstoday-68b209.ingress-baronn.ewp.live\/#organization","name":"\u30a4\u30c3\u30c8\u30d3\u30b8\u30cd\u30b9\u30c8\u30a5\u30c7\u30a4","url":"https:\/\/itbusinesstoday-68b209.ingress-baronn.ewp.live\/","logo":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/itbusinesstoday-68b209.ingress-baronn.ewp.live\/#\/schema\/logo\/image\/","url":"https:\/\/itbusinesstoday.com\/wp-content\/uploads\/2025\/01\/Asset-1.png","contentUrl":"https:\/\/itbusinesstoday.com\/wp-content\/uploads\/2025\/01\/Asset-1.png","width":663,"height":275,"caption":"itbusinesstoday"},"image":{"@id":"https:\/\/itbusinesstoday-68b209.ingress-baronn.ewp.live\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/itbusinesstoday-68b209.ingress-baronn.ewp.live\/#\/schema\/person\/94fb575e469aff25a4b938814d050f15","name":"ITBT\u30b9\u30bf\u30c3\u30d5\u30e9\u30a4\u30bf\u30fc","image":{"@type":"ImageObject","inLanguage":"ja","@id":"https:\/\/itbusinesstoday.com\/wp-content\/uploads\/2025\/01\/Favicon-1.png90b3cb23d1d9c08733d969d29ea2d30d","url":"https:\/\/itbusinesstoday.com\/wp-content\/uploads\/2025\/01\/Favicon-1.png","contentUrl":"https:\/\/itbusinesstoday.com\/wp-content\/uploads\/2025\/01\/Favicon-1.png","caption":"ITBT StaffWriter"},"description":"ITBT\u30b9\u30bf\u30c3\u30d5\u30e9\u30a4\u30bf\u30fc\u306f\u3001IT Business Today\u306e\u793e\u5185\u5bc4\u7a3f\u8005\u3067\u3001\u30bf\u30a4\u30e0\u30ea\u30fc\u306a\u30cb\u30e5\u30fc\u30b9\u3068QuickBytes\u306e\u914d\u4fe1\u3092\u62c5\u5f53\u3057\u3066\u3044\u307e\u3059\u3002IT\u3001\u30cf\u30a4\u30c6\u30af\u3001\u4f01\u696d\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306e\u6700\u65b0\u52d5\u5411\u3092\u30ab\u30d0\u30fc\u3057\u3001\u7c21\u6f54\u3067\u30a4\u30f3\u30d1\u30af\u30c8\u306e\u3042\u308b\u6700\u65b0\u60c5\u5831\u3092\u8aad\u8005\u306b\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002","sameAs":["https:\/\/itbusinesstoday.com\/"],"url":"https:\/\/itbusinesstoday.com\/ja\/author\/itbt-staffwriter\/"}]}},"authors":[{"term_id":572,"user_id":7,"is_guest":0,"slug":"itbt-staffwriter","display_name":"ITBT StaffWriter","avatar_url":{"url":"https:\/\/itbusinesstoday.com\/wp-content\/uploads\/2025\/01\/Favicon-1.png","url2x":"https:\/\/itbusinesstoday.com\/wp-content\/uploads\/2025\/01\/Favicon-1.png"},"0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/itbusinesstoday.com\/ja\/wp-json\/wp\/v2\/posts\/25067","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itbusinesstoday.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itbusinesstoday.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itbusinesstoday.com\/ja\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/itbusinesstoday.com\/ja\/wp-json\/wp\/v2\/comments?post=25067"}],"version-history":[{"count":1,"href":"https:\/\/itbusinesstoday.com\/ja\/wp-json\/wp\/v2\/posts\/25067\/revisions"}],"predecessor-version":[{"id":25069,"href":"https:\/\/itbusinesstoday.com\/ja\/wp-json\/wp\/v2\/posts\/25067\/revisions\/25069"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/itbusinesstoday.com\/ja\/wp-json\/wp\/v2\/media\/25068"}],"wp:attachment":[{"href":"https:\/\/itbusinesstoday.com\/ja\/wp-json\/wp\/v2\/media?parent=25067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itbusinesstoday.com\/ja\/wp-json\/wp\/v2\/categories?post=25067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itbusinesstoday.com\/ja\/wp-json\/wp\/v2\/tags?post=25067"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/itbusinesstoday.com\/ja\/wp-json\/wp\/v2\/ppma_author?post=25067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}