{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-66813", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-07-27T19:02:26.601Z", "datePublished": "2026-11-10T18:16:49.019Z", "dateUpdated": "2026-11-10T18:16:49.019Z"}, "containers": {"cna": {"title": "Microsoft SQL Server Elevation of Privilege Vulnerability", "datePublic": "2026-11-10T16:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2017:*:-:*:*:*:*:x64:*", "versionStartIncluding": "14.0.0", "versionEndExcluding": "14.0.2150.2"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*", "versionStartIncluding": "15.0.0", "versionEndExcluding": "15.0.2210.4"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*", "versionStartIncluding": "16.0.0", "versionEndExcluding": "16.0.1220.3"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*", "versionStartIncluding": "17.0.1050.2", "versionEndExcluding": "17.0.1155.3"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:microsoft_sql_server_2022_for_x64-based_systems_\\(cu27\\):*:*:*:*:*:*:*:*", "versionStartIncluding": "16.0.4003.1", "versionEndExcluding": "16.0.4315.2"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2025_for_x64-based_systems_cu10:*:*:*:*:*:*:*:*", "versionStartIncluding": "17.0.4006.0", "versionEndExcluding": "17.0.5045.3"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:microsoft_sql_server_2019_for_x64-based_systems_\\(cu32\\):*:*:*:*:*:*:*:*", "versionStartIncluding": "15.0.4003.23", "versionEndExcluding": "15.0.4510.2"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:microsoft_sql_server_2017_for_x64-based_systems_\\(cu31\\):*:*:*:*:*:*:*:*", "versionStartIncluding": "14.0.3006.16", "versionEndExcluding": "14.0.3570.2"}]}]}], "affected": [{"vendor": "Microsoft", "product": "Microsoft SQL Server 2017 (GDR)", "platforms": ["x64-based Systems"], "versions": [{"version": "14.0.0", "lessThan": "14.0.2150.2", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2017 for x64-based Systems (CU31)", "platforms": ["x64-based Systems"], "versions": [{"version": "14.0.3006.16", "lessThan": "14.0.3570.2", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2019 (GDR)", "platforms": ["x64-based Systems"], "versions": [{"version": "15.0.0", "lessThan": "15.0.2210.4", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2019 for x64-based Systems (CU32)", "platforms": ["x64-based Systems"], "versions": [{"version": "15.0.4003.23", "lessThan": "15.0.4510.2", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2022 (GDR)", "platforms": ["x64-based Systems"], "versions": [{"version": "16.0.0", "lessThan": "16.0.1220.3", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2022 for x64-based Systems (CU27)", "platforms": ["x64-based Systems"], "versions": [{"version": "16.0.4003.1", "lessThan": "16.0.4315.2", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2025 CU10", "platforms": ["x64-based Systems"], "versions": [{"version": "17.0.4006.0", "lessThan": "17.0.5045.3", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2025 for x64-based Systems (GDR)", "platforms": ["x64-based Systems"], "versions": [{"version": "17.0.1050.2", "lessThan": "17.0.1155.3", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Out-of-bounds read in SQL Server allows an unauthorized attacker to elevate privileges over a network.", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "CWE-125: Out-of-bounds Read", "lang": "en-US", "type": "CWE", "cweId": "CWE-125"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-11-10T18:16:49.019Z"}, "references": [{"name": "Microsoft SQL Server Elevation of Privilege Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66813"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 8.1, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}}]}}}

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