{"id":133893,"date":"2026-04-16T11:13:04","date_gmt":"2026-04-16T02:13:04","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=133893"},"modified":"2026-04-16T11:13:04","modified_gmt":"2026-04-16T02:13:04","slug":"windows11-kb5083769-rdp-security","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/windows11-kb5083769-rdp-security\/","title":{"rendered":"RDP\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u524d\u306b\u30b9\u30c8\u30c3\u30d7\uff01 Windows 11\u306b\u65b0\u3057\u3044\u8b66\u544a\u304c\u5c0e\u5165"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2026\/04\/rdp.webp\" alt=\"\" width=\"1280\" height=\"853\" class=\"aligncenter size-full wp-image-133894\" \/><\/p>\n<p>Microsoft\u306f2026\u5e744\u6708\u306e\u6708\u4f8b\u66f4\u65b0(Patch Tuesday)\u3068\u3057\u3066\u3001Windows 11 24H2\/25H2\u5411\u3051\u306b\u300c<a href=\"https:\/\/softantenna.com\/blog\/windows-11-kb5083769\/\">KB5083769<\/a>\u300d\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u4eca\u56de\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3067\u306f\u3001\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7(RDP)\u306b\u95a2\u3059\u308b\u91cd\u8981\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6539\u5584\u304c\u542b\u307e\u308c\u3066\u304a\u308a\u3001\u7279\u306bRDP\u30d5\u30a1\u30a4\u30eb(.rdp)\u3092\u60aa\u7528\u3057\u305f\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u653b\u6483\u3078\u306e\u5bfe\u7b56\u304c\u5f37\u5316\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Microsoft\u304c\u4eca\u56de\u5bfe\u51e6\u3057\u305f\u306e\u306f\u3001\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u306e\u507d\u88c5\u8106\u5f31\u6027(CVE-2026-26151)\u3067\u3001\u653b\u6483\u8005\u304c\u6b63\u898f\u306e\u63a5\u7d9a\u5148\u3092\u88c5\u3044\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u653b\u6483\u8005\u5074\u306e\u74b0\u5883\u3078\u8a98\u5c0e\u3059\u308b\u3053\u3068\u3067\u3001\u30ed\u30fc\u30ab\u30eb\u30ea\u30bd\u30fc\u30b9\u306e\u5171\u6709\u3084\u6a5f\u5bc6\u60c5\u5831\u306e\u6f0f\u3048\u3044\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>RDP\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u969b\u306b\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u6c17\u3065\u304b\u306a\u3044\u307e\u307e\u30af\u30ea\u30c3\u30d7\u30dc\u30fc\u30c9\u3084\u30b9\u30de\u30fc\u30c8\u30ab\u30fc\u30c9\u3001\u30ab\u30e1\u30e9\u3001\u30de\u30a4\u30af\u306a\u3069\u306e\u30ea\u30bd\u30fc\u30b9\u304c\u5171\u6709\u3055\u308c\u3066\u3057\u307e\u3046\u30b1\u30fc\u30b9\u304c\u554f\u984c\u8996\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<h2>\u521d\u56de\u8d77\u52d5\u6642\u306b\u8b66\u544a\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u8868\u793a\u3059\u308b\u65b0\u4ed5\u69d8<\/h2>\n<p><a href=\"https:\/\/learn.microsoft.com\/en-us\/windows-server\/remote\/remote-desktop-services\/remotepc\/understanding-security-warnings\">\u4eca\u56de\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/a>\u3067\u306f\u3001RDP\u30d5\u30a1\u30a4\u30eb\u3092\u521d\u3081\u3066\u958b\u304f\u3068\u304d\u306b\u8b66\u544a\u30c0\u30a4\u30a2\u30ed\u30b0\u304c\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2026\/04\/rdp-file-first-launch-dialog.webp\" alt=\"\" width=\"624\" height=\"203\" class=\"aligncenter size-full wp-image-133895\" \/><\/p>\n<p>\u3053\u306e\u30c0\u30a4\u30a2\u30ed\u30b0\u3067\u306f\u3001RDP\u30d5\u30a1\u30a4\u30eb\u3068\u306f\u4f55\u304b\u304c\u8aac\u660e\u3055\u308c\u3001\u30d5\u30a3\u30c3\u30b7\u30f3\u30b0\u306e\u30ea\u30b9\u30af\u306b\u3064\u3044\u3066\u8b66\u544a\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u30c0\u30a4\u30a2\u30ed\u30b0\u3067RDP\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u63a5\u7d9a\u3092\u8a31\u53ef\u3059\u308b\u3068\u3001\u305d\u306e\u30a2\u30ab\u30a6\u30f3\u30c8\u3067\u306f\u4e8c\u5ea6\u3068\u3053\u306e\u30c0\u30a4\u30a2\u30ed\u30b0\u306f\u8868\u793a\u3055\u308c\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001RDP\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u305f\u3073\u306b\u3001\u63a5\u7d9a\u304c\u78ba\u7acb\u3055\u308c\u308b\u524d\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c0\u30a4\u30a2\u30ed\u30b0\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2026\/04\/rdp-security-warning-signed.webp\" alt=\"\" width=\"550\" height=\"511\" class=\"aligncenter size-full wp-image-133896\" \/><\/p>\n<p>\u3053\u306e\u30c0\u30a4\u30a2\u30ed\u30b0\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u60c5\u5831\u304c\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u63a5\u7d9a\u5148\u306e\u30ea\u30e2\u30fc\u30c8\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306e\u30a2\u30c9\u30ec\u30b9<\/li>\n<li>\u767a\u884c\u5143(\u7f72\u540d)\u306e\u60c5\u5831<\/li>\n<li>\u8981\u6c42\u3055\u308c\u3066\u3044\u308b\u30ed\u30fc\u30ab\u30eb\u30ea\u30bd\u30fc\u30b9\u306e\u7a2e\u985e<\/li>\n<\/ul>\n<p>\u7279\u306b\u91cd\u8981\u306a\u306e\u306f\u3001\u3059\u3079\u3066\u306e\u30ea\u30bd\u30fc\u30b9\u5171\u6709\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u7121\u52b9\u5316\u3055\u308c\u3066\u3044\u308b\u70b9\u3067\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u306f\u5fc5\u8981\u306a\u9805\u76ee\u3060\u3051\u3092\u81ea\u5206\u3067\u6709\u52b9\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u610f\u56f3\u3057\u306a\u3044\u60c5\u5831\u5171\u6709\u3092\u9632\u3050\u4ed5\u7d44\u307f\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u306a\u304a\u3001\u3053\u306e\u8b66\u544a\u306fRDP\u30a2\u30d7\u30ea\u304b\u3089\u624b\u52d5\u3067\u63a5\u7d9a\u3059\u308b\u5834\u5408\u306b\u306f\u8868\u793a\u3055\u308c\u305a\u3001RDP\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u304f\u3068\u304d\u306e\u307f\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>RDP\u30d5\u30a1\u30a4\u30eb\u304c\u7f72\u540d\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u300cUnknown publisher\u300d\u3068\u8868\u793a\u3055\u308c\u3001\u6ce8\u610f\u559a\u8d77\u304c\u5f37\u8abf\u3055\u308c\u307e\u3059\u3002\u7f72\u540d\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3067\u3082\u3001\u653b\u6483\u8005\u304c\u7d1b\u3089\u308f\u3057\u3044\u540d\u524d\u3092\u4f7f\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u5f15\u304d\u7d9a\u304d\u614e\u91cd\u306a\u78ba\u8a8d\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2026\/04\/rdp-security-warning-unsigned.webp\" alt=\"\" width=\"565\" height=\"480\" class=\"aligncenter size-full wp-image-133897\" \/><\/p>\n<h2>\u7ba1\u7406\u8005\u5411\u3051\uff1a\u30ec\u30b8\u30b9\u30c8\u30ea\u3067\u8b66\u544a\u3092\u7121\u52b9\u5316\u3059\u308b\u65b9\u6cd5<\/h2>\n<p>\u4e92\u63db\u6027\u306e\u554f\u984c\u306a\u3069\u3067\u8b66\u544a\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u7121\u52b9\u5316\u3057\u305f\u3044\u7ba1\u7406\u8005\u5411\u3051\u306b\u3001Microsoft \u306f\u30ec\u30b8\u30b9\u30c8\u30ea\u8a2d\u5b9a\u3092\u516c\u958b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<li>\n<p><span><strong>\u30ad\u30fc<\/strong>\uff1a<br \/>\n<code>HKLM\\Software\\Policies\\Microsoft\\Windows NT\\Terminal Services\\Client<\/code><\/span><\/p>\n<\/li>\n<li>\n<p><span><strong>\u5024<\/strong>\uff1a<\/span><\/p>\n<ul>\n<li>\n<p><span>Name: <code>RedirectionWarningDialogVersion<\/code><\/span><\/p>\n<\/li>\n<li>\n<p><span>Type: <code>REG_DWORD<\/code><\/span><\/p>\n<\/li>\n<li>\n<p><span>Data: <code>1<\/code><\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<p>\u305f\u3060\u3057Microsoft\u306f\u3001\u5c06\u6765\u306e\u66f4\u65b0\u3067\u3053\u306e\u56de\u907f\u7b56\u304c\u524a\u9664\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3068\u6ce8\u610f\u3092\u4fc3\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081\uff1aRDP \u5229\u7528\u6642\u306e\u5b89\u5168\u6027\u3092\u9ad8\u3081\u308b\u91cd\u8981\u306a\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/h2>\n<p>\u4eca\u56de\u306e KB5083769 \u306f\u3001RDP \u3092\u65e5\u5e38\u7684\u306b\u5229\u7528\u3059\u308b\u30e6\u30fc\u30b6\u30fc\u3084\u4f01\u696d\u306b\u3068\u3063\u3066\u975e\u5e38\u306b\u91cd\u8981\u306a\u66f4\u65b0\u3067\u3059\u3002RDP \u30d5\u30a1\u30a4\u30eb\u3092\u4ecb\u3057\u305f\u653b\u6483\u306f\u6c17\u3065\u304d\u306b\u304f\u304f\u3001\u30ed\u30fc\u30ab\u30eb\u30ea\u30bd\u30fc\u30b9\u306e\u5171\u6709\u304c\u5927\u304d\u306a\u30ea\u30b9\u30af\u306b\u3064\u306a\u304c\u308b\u305f\u3081\u3001\u4eca\u56de\u306e\u3088\u3046\u306a\u300c\u4e8b\u524d\u78ba\u8a8d\u300d\u306e\u4ed5\u7d44\u307f\u306f\u5b9f\u7528\u7684\u306a\u9632\u5fa1\u7b56\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft\u306f2026\u5e744\u6708\u306e\u6708\u4f8b\u66f4\u65b0(Patch Tuesday)\u3068\u3057\u3066\u3001Windows 11 24H2\/25H2\u5411\u3051\u306b\u300cKB5083769\u300d\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u4eca\u56de\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3067\u306f\u3001\u30ea\u30e2\u30fc\u30c8\u30c7\u30b9\u30af\u30c8\u30c3\u30d7(RDP) [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":133894,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[3],"tags":[4802,3298,4387],"class_list":["post-133893","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows","tag-rdp","tag-windows","tag-windows11"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/133893","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=133893"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/133893\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/133894"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=133893"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=133893"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=133893"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}