CVE-2026-67626

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-67626", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-07-29T22:49:19.795Z", "datePublished": "2026-10-13T20:37:01.187Z", "dateUpdated": "2026-11-10T20:41:33.412Z"}, "containers": {"cna": {"title": "Microsoft SQL Server 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:microsoft_sql_server_2022_for_x64-based_systems_\\(cu27\\):*:*:*:*:*:*:*:*", "versionStartIncluding": "16.0.4003.1", "versionEndExcluding": "16.0.4305.5"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:microsoft_sql_server_2025_for_x64-based_systems_\\(cu9\\):*:*:*:*:*:*:*:*", "versionStartIncluding": "17.0.4006.2", "versionEndExcluding": "17.0.5015.4"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*", "versionStartIncluding": "16.0.0", "versionEndExcluding": "16.0.1210.3"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*", "versionStartIncluding": "17.0.1050.2", "versionEndExcluding": "17.0.1145.4"}]}]}], "affected": [{"vendor": "Microsoft", "product": "Microsoft SQL Server 2022 (GDR)", "platforms": ["x64-based Systems"], "versions": [{"version": "16.0.0", "lessThan": "16.0.1210.3", "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": "16.0.4305.5", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2025 for x64-based Systems (CU9)", "platforms": ["x64-based Systems"], "versions": [{"version": "17.0.4006.2", "lessThan": "17.0.5015.4", "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": "17.0.1145.4", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Uncontrolled resource consumption in SQL Server allows an authorized attacker to deny service over a network.", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "CWE-400: Uncontrolled Resource Consumption", "lang": "en-US", "type": "CWE", "cweId": "CWE-400"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-11-10T20:41:33.412Z"}, "references": [{"name": "Microsoft SQL Server Denial of Service Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67626"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-67626", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-13T21:10:14.633329Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-13T21:15:29.729Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-67626", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-13T21:10:14.633329Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-13T21:10:15.357Z"}}], "cna": {"title": "Microsoft SQL Server Denial of Service Vulnerability", "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 6.5, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C"}, "scenarios": [{"lang": "en-US", "value": "GENERAL"}]}], "affected": [{"vendor": "Microsoft", "product": "Microsoft SQL Server 2022 (GDR)", "versions": [{"status": "affected", "version": "16.0.0", "lessThan": "16.0.1210.3", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2022 for x64-based Systems (CU27)", "versions": [{"status": "affected", "version": "16.0.4003.1", "lessThan": "16.0.4305.5", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2025 for x64-based Systems (CU9)", "versions": [{"status": "affected", "version": "17.0.4006.2", "lessThan": "17.0.5015.4", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2025 for x64-based Systems (GDR)", "versions": [{"status": "affected", "version": "17.0.1050.2", "lessThan": "17.0.1145.4", "versionType": "custom"}], "platforms": ["x64-based Systems"]}], "datePublic": "2026-10-13T14:00:00.000Z", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67626", "name": "Microsoft SQL Server Denial of Service Vulnerability", "tags": ["vendor-advisory", "patch"]}], "descriptions": [{"lang": "en-US", "value": "Uncontrolled resource consumption in SQL Server allows an authorized attacker to deny service over a network."}], "problemTypes": [{"descriptions": [{"lang": "en-US", "type": "CWE", "cweId": "CWE-400", "description": "CWE-400: Uncontrolled Resource Consumption"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:microsoft_sql_server_2022_for_x64-based_systems_\\(cu27\\):*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "16.0.4305.5", "versionStartIncluding": "16.0.4003.1"}, {"criteria": "cpe:2.3:a:microsoft:microsoft_sql_server_2025_for_x64-based_systems_\\(cu9\\):*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "17.0.5015.4", "versionStartIncluding": "17.0.4006.2"}, {"criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "16.0.1210.3", "versionStartIncluding": "16.0.0"}, {"criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "17.0.1145.4", "versionStartIncluding": "17.0.1050.2"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-11-10T20:41:33.412Z"}}}, "cveMetadata": {"cveId": "CVE-2026-67626", "state": "PUBLISHED", "dateUpdated": "2026-11-10T20:41:33.412Z", "dateReserved": "2026-07-29T22:49:19.795Z", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "datePublished": "2026-10-13T20:37:01.187Z", "assignerShortName": "microsoft"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"platforms": ["x64-based Systems"], "product": "Microsoft SQL Server 2022 (GDR)", "vendor": "Microsoft", "versions": [{"lessThan": "16.0.1210.3", "status": "affected", "version": "16.0.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Microsoft SQL Server 2022 for x64-based Systems (CU27)", "vendor": "Microsoft", "versions": [{"lessThan": "16.0.4305.5", "status": "affected", "version": "16.0.4003.1", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Microsoft SQL Server 2025 for x64-based Systems (CU9)", "vendor": "Microsoft", "versions": [{"lessThan": "17.0.5015.4", "status": "affected", "version": "17.0.4006.2", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Microsoft SQL Server 2025 for x64-based Systems (GDR)", "vendor": "Microsoft", "versions": [{"lessThan": "17.0.1145.4", "status": "affected", "version": "17.0.1050.2", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Uncontrolled resource consumption in SQL Server allows an authorized attacker to deny service over a network."}], "id": "CVE-2026-67626", "lastModified": "2026-10-15T20:39:54.150", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "secure@microsoft.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-67626", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-13T21:10:14.633329Z", "version": "2.0.3"}}]}, "published": "2026-10-13T21:17:41.487", "references": [{"source": "secure@microsoft.com", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-67626"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "secure@microsoft.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["x64-based_systems"], "status": "affected", "versions": {"scheme": "generic", "value": "[16.0.0,16.0.1210.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Microsoft SQL Server 2022 (GDR)", "source": "cna", "vendor": "Microsoft"}, "product": "microsoft_sql_server_2022_(gdr)", "vendor": "microsoft"}, {"configurations": [{"platform": ["x64-based_systems"], "status": "affected", "versions": {"scheme": "generic", "value": "[16.0.4003.1,16.0.4305.5)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 99.0, "source": "matching"}]}, "original": {"product": "Microsoft SQL Server 2022 for x64-based Systems (CU27)", "source": "cna", "vendor": "Microsoft"}, "product": "microsoft_sql_server_2022_for_x64-based_systems_\\(cu27\\)", "vendor": "microsoft"}, {"configurations": [{"platform": ["x64-based_systems"], "status": "affected", "versions": {"scheme": "generic", "value": "[17.0.1050.2,17.0.1145.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Microsoft SQL Server 2025 for x64-based Systems (GDR)", "source": "cna", "vendor": "Microsoft"}, "product": "microsoft_sql_server_2025_for_x64-based_systems_(gdr)", "vendor": "microsoft"}, {"configurations": [{"platform": ["x64-based_systems"], "status": "affected", "versions": {"scheme": "generic", "value": "[17.0.4006.2,17.0.5015.4)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 99.0, "source": "matching"}]}, "original": {"product": "Microsoft SQL Server 2025 for x64-based Systems (CU9)", "source": "cna", "vendor": "Microsoft"}, "product": "microsoft_sql_server_2025_for_x64-based_systems_\\(cu9\\)", "vendor": "microsoft"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "product": "sql_server_2022", "vendor": "microsoft"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "product": "sql_server_2025", "vendor": "microsoft"}], "created": "2026-10-14T19:45:07.077711+00:00", "updated": "2026-10-23T20:30:17.542209+00:00", "vendors": ["microsoft", "microsoft$PRODUCT$microsoft_sql_server_2022_(gdr)", "microsoft$PRODUCT$microsoft_sql_server_2022_for_x64-based_systems_\\(cu27\\)", "microsoft$PRODUCT$microsoft_sql_server_2025_for_x64-based_systems_(gdr)", "microsoft$PRODUCT$microsoft_sql_server_2025_for_x64-based_systems_\\(cu9\\)", "microsoft$PRODUCT$sql_server_2022", "microsoft$PRODUCT$sql_server_2025"]}