{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-70196","assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","state":"PUBLISHED","assignerShortName":"microsoft","dateReserved":"2026-08-03T23:48:30.861Z","datePublished":"2026-10-13T19:00:26.412Z","dateUpdated":"2026-10-31T18:06:17.065Z"},"containers":{"cna":{"title":"ASP.NET Core Denial of Service Vulnerability","datePublic":"2026-10-13T14:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0","versionEndExcluding":"10.0.13"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*","versionStartIncluding":"8.0","versionEndExcluding":"8.0.32"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*","versionStartIncluding":"9.0","versionEndExcluding":"9.0.21"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.10:*:*:*:*:*:*:*:*","versionStartIncluding":"18.10.0","versionEndExcluding":"18.10.4"},{"vulnerable":true,"criteria":"cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*","versionStartIncluding":"17.14.0","versionEndExcluding":"17.14.42"}]}]}],"affected":[{"vendor":"Microsoft","product":"ASP.NET Core 10.0","versions":[{"version":"10.0","lessThan":"10.0.13","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"ASP.NET Core 8.0","versions":[{"version":"8.0","lessThan":"8.0.32","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"ASP.NET Core 9.0","versions":[{"version":"9.0","lessThan":"9.0.21","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Visual Studio 2022 version 17.14","versions":[{"version":"17.14.0","lessThan":"17.14.42","versionType":"custom","status":"affected"}]},{"vendor":"Microsoft","product":"Microsoft Visual Studio 2026 version 18.10","versions":[{"version":"18.10.0","lessThan":"18.10.4","versionType":"custom","status":"affected"}]}],"descriptions":[{"value":"Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attacker to deny service over a network.","lang":"en-US"}],"problemTypes":[{"descriptions":[{"description":"CWE-407: Inefficient Algorithmic Complexity","lang":"en-US","type":"CWE","cweId":"CWE-407"}]}],"providerMetadata":{"orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft","dateUpdated":"2026-10-31T18:06:17.065Z"},"references":[{"name":"ASP.NET Core Denial of Service Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70196"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","baseSeverity":"MEDIUM","baseScore":5.9,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C"}}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-70196","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-10-13T22:07:27.786869Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-13T22:16:35.632Z"}}]}}