CVE-2026-45646

{"id": "CVE-2026-45646", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45646", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-14T18:12:04.850194Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "secure@microsoft.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "affected": [{"source": "secure@microsoft.com", "affectedData": [{"vendor": "Microsoft", "product": "AspNet.OData", "versions": [{"status": "affected", "version": "7.0.0", "lessThan": "7.8.0", "versionType": "custom"}]}, {"vendor": "Microsoft", "product": "AspNetCore.OData", "versions": [{"status": "affected", "version": "9.0.0", "lessThan": "9.5.0[SX1]", "versionType": "custom"}]}]}], "published": "2026-07-14T17:16:49.253", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45646", "tags": ["Vendor Advisory"], "source": "secure@microsoft.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "secure@microsoft.com", "description": [{"lang": "en", "value": "CWE-770"}]}], "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."}], "lastModified": "2026-07-16T17:26:26.673", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:asp.net_core_odata:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4412804A-3954-4FA6-905F-BB813CDEE531", "versionEndExcluding": "9.5.0"}, {"criteria": "cpe:2.3:a:microsoft:odata_web_api:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "824DE13E-14D9-424B-912B-D1BF19F57B5D", "versionEndExcluding": "7.8.0"}], "operator": "OR"}]}], "sourceIdentifier": "secure@microsoft.com"}