{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21262", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2025-12-11T21:02:05.737Z", "datePublished": "2026-03-10T17:04:32.361Z", "dateUpdated": "2026-03-11T03:56:00.384Z"}, "containers": {"cna": {"title": "SQL Server Elevation of Privilege Vulnerability", "datePublic": "2026-03-10T14:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2017:*:-:*:*:*:*:x64:*", "versionStartIncluding": "14.0.0", "versionEndExcluding": "14.0.2100.4"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*", "versionStartIncluding": "15.0.0", "versionEndExcluding": "16.0.1170.5"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2016:*:sp3:*:*:*:*:x64:*", "versionStartIncluding": "13.0.0", "versionEndExcluding": "13.0.6480.4"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2017:*:-:*:*:*:*:x64:*", "versionStartIncluding": "14.0.0", "versionEndExcluding": "14.0.3520.4"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2016:*:sp3:*:*:*:*:x64:*", "versionStartIncluding": "13.0.0", "versionEndExcluding": "13.0.7075.5"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*", "versionStartIncluding": "16.0.0", "versionEndExcluding": "16.0.1170.5"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*", "versionStartIncluding": "17.0.1050.2", "versionEndExcluding": "17.0.1105.2"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*", "versionStartIncluding": "15.0.0.0", "versionEndExcluding": "15.0.4460.4"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*", "versionStartIncluding": "16.0.0.0", "versionEndExcluding": "16.0.4240.4"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*", "versionStartIncluding": "17.0.0.0", "versionEndExcluding": "17.0.4020.2"}]}]}], "affected": [{"vendor": "Microsoft", "product": "Microsoft SQL Server 2016 Service Pack 3 (GDR)", "platforms": ["x64-based Systems"], "versions": [{"version": "13.0.0", "lessThan": "13.0.6480.4", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack", "platforms": ["x64-based Systems"], "versions": [{"version": "13.0.0", "lessThan": "13.0.7075.5", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2017 (CU 31)", "platforms": ["x64-based Systems"], "versions": [{"version": "14.0.0", "lessThan": "14.0.3520.4", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2017 (GDR)", "platforms": ["x64-based Systems"], "versions": [{"version": "14.0.0", "lessThan": "14.0.2100.4", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2019 (CU 32)", "platforms": ["x64-based Systems"], "versions": [{"version": "15.0.0.0", "lessThan": "15.0.4460.4", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2019 (GDR)", "platforms": ["x64-based Systems"], "versions": [{"version": "15.0.0", "lessThan": "16.0.1170.5", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2022 (GDR)", "platforms": ["x64-based Systems"], "versions": [{"version": "16.0.0", "lessThan": "16.0.1170.5", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2022 for x64-based Systems (CU 23)", "platforms": ["x64-based Systems"], "versions": [{"version": "16.0.0.0", "lessThan": "16.0.4240.4", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2025 (CU 2)", "platforms": ["x64-based Systems"], "versions": [{"version": "17.0.0.0", "lessThan": "17.0.4020.2", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2025 for x64-based Systems (GDR)", "versions": [{"version": "17.0.1050.2", "lessThan": "17.0.1105.2", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "CWE-284: Improper Access Control", "lang": "en-US", "type": "CWE", "cweId": "CWE-284"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-03-10T19:00:42.427Z"}, "references": [{"name": "SQL Server Elevation of Privilege Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21262"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-05T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-21262"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-11T03:56:00.384Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-21262", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-03-10T18:40:14.366473Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-10T18:40:15.451Z"}}], "cna": {"title": "SQL Server Elevation of Privilege Vulnerability", "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 8.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C"}, "scenarios": [{"lang": "en-US", "value": "GENERAL"}]}], "affected": [{"vendor": "Microsoft", "product": "Microsoft SQL Server 2016 Service Pack 3 (GDR)", "versions": [{"status": "affected", "version": "13.0.0", "lessThan": "13.0.6480.4", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack", "versions": [{"status": "affected", "version": "13.0.0", "lessThan": "13.0.7075.5", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2017 (CU 31)", "versions": [{"status": "affected", "version": "14.0.0", "lessThan": "14.0.3520.4", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2017 (GDR)", "versions": [{"status": "affected", "version": "14.0.0", "lessThan": "14.0.2100.4", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2019 (CU 32)", "versions": [{"status": "affected", "version": "15.0.0.0", "lessThan": "15.0.4460.4", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2019 (GDR)", "versions": [{"status": "affected", "version": "15.0.0", "lessThan": "16.0.1170.5", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2022 (GDR)", "versions": [{"status": "affected", "version": "16.0.0", "lessThan": "16.0.1170.5", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2022 for x64-based Systems (CU 23)", "versions": [{"status": "affected", "version": "16.0.0.0", "lessThan": "16.0.4240.4", "versionType": "custom"}], "platforms": ["x64-based Systems"]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2025 (CU 2)", "versions": [{"status": "affected", "version": "17.0.0.0", "lessThan": "17.0.4020.2", "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": "17.0.1105.2", "versionType": "custom"}]}], "datePublic": "2026-03-10T14:00:00.000Z", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21262", "name": "SQL Server Elevation of Privilege Vulnerability", "tags": ["vendor-advisory", "patch"]}], "descriptions": [{"lang": "en-US", "value": "Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network."}], "problemTypes": [{"descriptions": [{"lang": "en-US", "type": "CWE", "cweId": "CWE-284", "description": "CWE-284: Improper Access Control"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:sql_server_2017:*:-:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "14.0.2100.4", "versionStartIncluding": "14.0.0"}, {"criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "16.0.1170.5", "versionStartIncluding": "15.0.0"}, {"criteria": "cpe:2.3:a:microsoft:sql_server_2016:*:sp3:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "13.0.6480.4", "versionStartIncluding": "13.0.0"}, {"criteria": "cpe:2.3:a:microsoft:sql_server_2017:*:-:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "14.0.3520.4", "versionStartIncluding": "14.0.0"}, {"criteria": "cpe:2.3:a:microsoft:sql_server_2016:*:sp3:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "13.0.7075.5", "versionStartIncluding": "13.0.0"}, {"criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "16.0.1170.5", "versionStartIncluding": "16.0.0"}, {"criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "17.0.1105.2", "versionStartIncluding": "17.0.1050.2"}, {"criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "15.0.4460.4", "versionStartIncluding": "15.0.0.0"}, {"criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "16.0.4240.4", "versionStartIncluding": "16.0.0.0"}, {"criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*", "vulnerable": true, "versionEndExcluding": "17.0.4020.2", "versionStartIncluding": "17.0.0.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-03-10T19:00:42.427Z"}}}, "cveMetadata": {"cveId": "CVE-2026-21262", "state": "PUBLISHED", "dateUpdated": "2026-03-11T03:56:00.384Z", "dateReserved": "2025-12-11T21:02:05.737Z", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "datePublished": "2026-03-10T17:04:32.361Z", "assignerShortName": "microsoft"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network."}], "id": "CVE-2026-21262", "lastModified": "2026-03-10T18:18:06.190", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "secure@microsoft.com", "type": "Primary"}]}, "published": "2026-03-10T18:18:06.190", "references": [{"source": "secure@microsoft.com", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21262"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-284"}], "source": "secure@microsoft.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": ["x64-based_systems"], "status": "affected", "versions": {"scheme": "generic", "value": "[13.0.0,13.0.6480.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Microsoft SQL Server 2016 Service Pack 3 (GDR)", "source": "cna", "vendor": "Microsoft"}, "product": "microsoft_sql_server_2016_service_pack_3_(gdr)", "vendor": "microsoft"}, {"configurations": [{"platform": ["x64-based_systems"], "status": "affected", "versions": {"scheme": "generic", "value": "[13.0.0,13.0.7075.5)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack", "source": "cna", "vendor": "Microsoft"}, "product": "microsoft_sql_server_2016_service_pack_3_azure_connect_feature_pack", "vendor": "microsoft"}, {"configurations": [{"platform": ["x64-based_systems"], "status": "affected", "versions": {"scheme": "generic", "value": "[14.0.0,14.0.3520.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Microsoft SQL Server 2017 (CU 31)", "source": "cna", "vendor": "Microsoft"}, "product": "microsoft_sql_server_2017_(cu_31)", "vendor": "microsoft"}, {"configurations": [{"platform": ["x64-based_systems"], "status": "affected", "versions": {"scheme": "generic", "value": "[14.0.0,14.0.2100.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Microsoft SQL Server 2017 (GDR)", "source": "cna", "vendor": "Microsoft"}, "product": "microsoft_sql_server_2017_(gdr)", "vendor": "microsoft"}, {"configurations": [{"platform": ["x64-based_systems"], "status": "affected", "versions": {"scheme": "generic", "value": "[15.0.0.0,15.0.4460.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Microsoft SQL Server 2019 (CU 32)", "source": "cna", "vendor": "Microsoft"}, "product": "microsoft_sql_server_2019_(cu_32)", "vendor": "microsoft"}, {"configurations": [{"platform": ["x64-based_systems"], "status": "affected", "versions": {"scheme": "generic", "value": "[15.0.0,16.0.1170.5)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Microsoft SQL Server 2019 (GDR)", "source": "cna", "vendor": "Microsoft"}, "product": "microsoft_sql_server_2019_(gdr)", "vendor": "microsoft"}, {"configurations": [{"platform": ["x64-based_systems"], "status": "affected", "versions": {"scheme": "generic", "value": "[16.0.0,16.0.1170.5)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "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": "[16.0.0.0,16.0.4240.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Microsoft SQL Server 2022 for x64-based Systems (CU 23)", "source": "cna", "vendor": "Microsoft"}, "product": "microsoft_sql_server_2022_for_x64-based_systems_(cu_23)", "vendor": "microsoft"}, {"configurations": [{"platform": ["x64-based_systems"], "status": "affected", "versions": {"scheme": "generic", "value": "[17.0.0.0,17.0.4020.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Microsoft SQL Server 2025 (CU 2)", "source": "cna", "vendor": "Microsoft"}, "product": "microsoft_sql_server_2025_(cu_2)", "vendor": "microsoft"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[17.0.1050.2,17.0.1105.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "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"}], "created": "2026-03-11T11:47:02.106033+00:00", "updated": "2026-03-11T11:47:02.106244+00:00", "vendors": ["microsoft", "microsoft$PRODUCT$microsoft_sql_server_2016_service_pack_3_(gdr)", "microsoft$PRODUCT$microsoft_sql_server_2016_service_pack_3_azure_connect_feature_pack", "microsoft$PRODUCT$microsoft_sql_server_2017_(cu_31)", "microsoft$PRODUCT$microsoft_sql_server_2017_(gdr)", "microsoft$PRODUCT$microsoft_sql_server_2019_(cu_32)", "microsoft$PRODUCT$microsoft_sql_server_2019_(gdr)", "microsoft$PRODUCT$microsoft_sql_server_2022_(gdr)", "microsoft$PRODUCT$microsoft_sql_server_2022_for_x64-based_systems_(cu_23)", "microsoft$PRODUCT$microsoft_sql_server_2025_(cu_2)", "microsoft$PRODUCT$microsoft_sql_server_2025_for_x64-based_systems_(gdr)"]}