{"@odata.context":"https://api.msrc.microsoft.com/sug/v2.0/sugodata/v2.0/ja-JP/$metadata#vulnerability/$entity","id":"00000000-0000-0000-0000-000016851b5d","releaseDate":"2026-09-08T07:00:00-07:00","cveNumber":"CVE-2026-71343","cveTitle":"Windows Remote Access Connection Manager Remote Code Execution Vulnerability","releaseNumber":"2026-Sep","vulnType":"Security Vulnerability","latestRevisionDate":"2026-10-06T07:00:00-07:00","cweList":["CWE-122: Heap-based Buffer Overflow"],"cweDetailsListForSearch":["cwe: CWE-122: Heap-based Buffer Overflow","cweUrl: https://cwe.mitre.org/data/definitions/122.html"],"mitreText":"CVE-2026-71343","mitreUrl":"https://www.cve.org/CVERecord?id=CVE-2026-71343","publiclyDisclosed":"No","exploited":"No","latestSoftwareReleaseId":1,"latestSoftwareRelease":"\u60aa\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044","olderSoftwareReleaseId":0,"denialOfService":"\u5bfe\u8c61\u5916","tag":"Windows Remote Access Connection Manager","issuingCna":"Microsoft","issuingCnaId":100000001,"severityId":100000001,"severity":"\u91cd\u8981","impactId":100000005,"impact":"\u30ea\u30e2\u30fc\u30c8\u3067\u30b3\u30fc\u30c9\u304c\u5b9f\u884c\u3055\u308c\u308b","langCode":"ja-JP","baseScore":"7.8","temporalScore":"6.8","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","vectorStringSource":"Microsoft","isMariner":false,"customerActionRequired":true,"customerActionRequiredId":1,"cweDetailsList":[{"keys":["cwe","cweUrl"],"values":["CWE-122: Heap-based Buffer Overflow","https://cwe.mitre.org/data/definitions/122.html"]}],"articles":[{"title":"Windows \u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9\u63a5\u7d9a\u30de\u30cd\u30fc\u30b8\u30e3\u30fc \u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\u8106\u5f31\u6027","articleType":"100000000","description":"<p>Windows Remote Access Connection Manager\u306e\u30d2\u30fc\u30d7\u30d9\u30fc\u30b9\u306e\u30d0\u30c3\u30d5\u30a1\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306b\u3088\u308a\u3001\u8a8d\u53ef\u3055\u308c\u305f\u653b\u6483\u8005\u304c\u30ed\u30fc\u30ab\u30eb\u3067\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002</p>\n","ordinal":10000},{"articleType":"FAQ","description":"<p><strong>CVSS \u57fa\u6e96\u306b\u3088\u308b\u3068\u3001&quot;\u653b\u6483\u5143\u533a\u5206&quot; \u306f &quot;\u30ed\u30fc\u30ab\u30eb&quot; (AV:L) \u3067\u3059\u3002CVE \u30bf\u30a4\u30c8\u30eb\u304c\u30ea\u30e2\u30fc\u30c8 \u30b3\u30fc\u30c9\u5b9f\u884c\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u306f\u3069\u3046\u3057\u3066\u3067\u3059\u304b?</strong></p>\n<p>\u30bf\u30a4\u30c8\u30eb\u306e &quot;<strong>\u30ea\u30e2\u30fc\u30c8</strong>&quot; \u3068\u3044\u3046\u5358\u8a9e\u306f\u3001\u653b\u6483\u8005\u306e\u5834\u6240\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u7a2e\u306e\u60aa\u7528\u306f\u3001\u4efb\u610f\u30b3\u30fc\u30c9\u5b9f\u884c (ACE) \u3068\u547c\u3070\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u653b\u6483\u81ea\u4f53\u306f\u30ed\u30fc\u30ab\u30eb\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u653b\u6483\u8005\u304c\u3053\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b\u306b\u306f\u3001\u653b\u6483\u8005\u307e\u305f\u306f\u6a19\u7684\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u30ed\u30fc\u30ab\u30eb \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u304b\u3089\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002</p>\n","ordinal":10000},{"articleType":"FAQ","description":"<p><strong>CVSS \u57fa\u6e96\u306b\u3088\u308b\u3068\u3001\u5fc5\u8981\u306a\u7279\u6a29\u30ec\u30d9\u30eb\u306f\u4f4e (PR:L) \u3067\u3059\u3002  \u3053\u308c\u306f\u3001\u8106\u5f31\u6027\u306b\u5bfe\u3057\u3066\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u304c\u3042\u308a\u307e\u3059\u304b?</strong></p>\n<p>\u8a8d\u8a3c\u3055\u308c\u305f\u653b\u6483\u8005\u3067\u3042\u308c\u3070\u3001\u8ab0\u3067\u3082\u3053\u306e\u8106\u5f31\u6027\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7ba1\u7406\u8005\u7279\u6a29\u307e\u305f\u306f\u4ed6\u306e\u6607\u683c\u3055\u308c\u305f\u7279\u6a29\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002</p>\n","ordinal":10000}],"revisions":[{"cveNumber":"CVE-2026-71343","version":1.1,"revisionDate":"2026-10-06T07:00:00-07:00","initialDate":"0001-01-01T00:00:00Z","description":"<p>Updated an acknowledgement. This is an informational change only.</p>\n","unformattedDescription":"Updated an acknowledgement. This is an informational change only.","notificationNeeded":false,"notificationSent":false,"sourceId":"6141742a-9ac1-f111-aaae-000d3a5aa3a1"},{"cveNumber":"CVE-2026-71343","version":1,"revisionDate":"2026-09-08T07:00:00-07:00","initialDate":"0001-01-01T00:00:00Z","description":"<p>Information published.</p>\n","unformattedDescription":"Information published.","notificationNeeded":false,"notificationSent":false,"sourceId":"72780c48-ea94-f111-93a1-000d3ac5fb71"}]}