{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-109468", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-10-12T17:01:11.370Z", "datePublished": "2026-10-15T20:57:33.441Z", "dateUpdated": "2026-10-16T01:03:46.052Z"}, "containers": {"cna": {"title": "ASP.NET Core Denial of Service Vulnerability", "datePublic": "2026-10-15T14:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:system.formats.cbor:*:*:*:*:*:*:*:*", "versionStartIncluding": "10.0.0", "versionEndExcluding": "10.0.13"}, {"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": "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"}]}, {"vendor": "Microsoft", "product": "System.Formats.Cbor", "platforms": [".NET 10.0 installed on Linux", ".NET 10.0 installed on Mac OS", ".NET 10.0 installed on Windows", ".NET 8.0 installed on Linux", ".NET 8.0 installed on Mac OS", ".NET 8.0 installed on Windows", ".NET 9.0 installed on Linux", ".NET 9.0 installed on Mac OS", ".NET 9.0 installed on Windows"], "versions": [{"version": "10.0.0", "lessThan": "10.0.13", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "CWE-770: Allocation of Resources Without Limits or Throttling", "lang": "en-US", "type": "CWE", "cweId": "CWE-770"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-10-15T22:20:05.018Z"}, "references": [{"name": "ASP.NET Core Denial of Service Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109468"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.5, "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"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-109468", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-16T01:02:29.736327Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T01:03:46.052Z"}}]}}

{}

{"affected": [{"affectedData": [{"product": "Microsoft Visual Studio 2022 version 17.14", "vendor": "Microsoft", "versions": [{"lessThan": "17.14.42", "status": "affected", "version": "17.14.0", "versionType": "custom"}]}, {"product": "Microsoft Visual Studio 2026 version 18.10", "vendor": "Microsoft", "versions": [{"lessThan": "18.10.4", "status": "affected", "version": "18.10.0", "versionType": "custom"}]}, {"platforms": [".NET 10.0 installed on Linux", ".NET 10.0 installed on Mac OS", ".NET 10.0 installed on Windows", ".NET 8.0 installed on Linux", ".NET 8.0 installed on Mac OS", ".NET 8.0 installed on Windows", ".NET 9.0 installed on Linux", ".NET 9.0 installed on Mac OS", ".NET 9.0 installed on Windows"], "product": "System.Formats.Cbor", "vendor": "Microsoft", "versions": [{"lessThan": "10.0.13", "status": "affected", "version": "10.0.0", "versionType": "custom"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network."}], "id": "CVE-2026-109468", "lastModified": "2026-10-15T21:17:12.880", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}]}, "published": "2026-10-15T21:17:12.880", "references": [{"source": "[email protected]", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109468"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "dotnet: ASP.NET Core: Denial of Service via unthrottled resource allocation", "id": "2553817", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2553817"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["A flaw was found in ASP.NET Core. The application framework fails to enforce limits or throttling on resource allocation when handling network requests. An unauthenticated remote attacker could exploit this vulnerability to exhaust system resources, leading to a Denial of Service (DoS)."], "name": "CVE-2026-109468", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "dotnet8.0", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-10-15T20:57:33Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-109468\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-109468\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109468"], "threat_severity": "Important"}

{}