{"@odata.context":"https://api.msrc.microsoft.com/sug/v2.0/sugodata/v2.0/en-US/$metadata#vulnerability/$entity","id":"00000000-0000-0000-0000-0000f58382e6","releaseDate":"2026-11-10T08:00:00-08:00","cveNumber":"CVE-2026-109478","cveTitle":"ASP.NET Core Denial of Service Vulnerability","releaseNumber":"2026-Nov","vulnType":"Security Vulnerability","latestRevisionDate":"2026-11-11T08:00:00-08:00","description":"<p>Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attacker to deny service over a network.</p>\n","cweList":["CWE-407: Inefficient Algorithmic Complexity"],"cweDetailsListForSearch":["cwe: CWE-407: Inefficient Algorithmic Complexity","cweUrl: https://cwe.mitre.org/data/definitions/407.html"],"unformattedDescription":"<p>Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attacker to deny service over a network.</p>","mitreText":"CVE-2026-109478","mitreUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109478","publiclyDisclosed":"No","exploited":"No","latestSoftwareReleaseId":2,"latestSoftwareRelease":"Exploitation Less Likely","olderSoftwareReleaseId":0,"denialOfService":"N/A","tag":"ASP.NET Core","issuingCna":"Microsoft","issuingCnaId":100000001,"severityId":100000001,"severity":"Important","impactId":100000001,"impact":"Denial of Service","langCode":"en-US","baseScore":"7.5","temporalScore":"6.5","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","vectorStringSource":"Microsoft","isMariner":false,"customerActionRequired":true,"customerActionRequiredId":1,"cweDetailsList":[{"keys":["cwe","cweUrl"],"values":["CWE-407: Inefficient Algorithmic Complexity","https://cwe.mitre.org/data/definitions/407.html"]}],"articles":[{"title":"ASP.NET Core Denial of Service Vulnerability","articleType":"100000000","description":"<p>Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attacker to deny service over a network.</p>\n","ordinal":10000}],"revisions":[{"cveNumber":"CVE-2026-109478","version":1,"revisionDate":"2026-11-10T08:00:00-08:00","initialDate":"0001-01-01T00:00:00Z","description":"<p>Information published.</p>\n","unformattedDescription":"Information published.","notificationNeeded":false,"notificationSent":false,"sourceId":"9a3da0c0-bbc8-f111-aaad-000d3a3779aa"},{"cveNumber":"CVE-2026-109478","version":1.1,"revisionDate":"2026-11-11T08:00:00-08:00","initialDate":"0001-01-01T00:00:00Z","description":"<p>Updated the products listed in the Security Updates table. This is an informational change only.</p>\n","unformattedDescription":"Updated the products listed in the Security Updates table. This is an informational change only.","notificationNeeded":false,"notificationSent":false,"sourceId":"611d0804-f1dd-f111-84e8-6045bd0a04e8"}]}