{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-88086", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2026-09-09T21:47:30.203Z", "datePublished": "2026-10-13T20:37:23.591Z", "dateUpdated": "2026-10-13T21:35:28.278Z"}, "containers": {"cna": {"title": "Microsoft SQL Server Information Disclosure 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_2019_for_x64-based_systems_\\(cu32\\):*:*:*:*:*:*:*:*", "versionStartIncluding": "15.0.4003.23", "versionEndExcluding": "15.0.4500.2"}, {"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_2025:*:*:*:*:*:*:x64:*", "versionStartIncluding": "-"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*", "versionStartIncluding": "15.0.0", "versionEndExcluding": "15.0.2200.2"}, {"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 2019 (GDR)", "platforms": ["x64-based Systems"], "versions": [{"version": "15.0.0", "lessThan": "15.0.2200.2", "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": "15.0.4500.2", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft SQL Server 2022 (GDR)", "platforms": ["x64-based Systems"], "versions": [{"version": "16.0.0", "lessThan": "16.0.1210.3", "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 (CU8)", "platforms": ["x64-based Systems"], "versions": [{"version": "-", "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": "Out-of-bounds read in SQL Server allows an unauthorized attacker to disclose information over an adjacent 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": "2026-10-13T21:35:28.278Z"}, "references": [{"name": "Microsoft SQL Server Information Disclosure Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88086"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 5.3, "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C"}}]}}}

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{"affected": [{"affectedData": [{"platforms": ["x64-based Systems"], "product": "Microsoft SQL Server 2019 (GDR)", "vendor": "Microsoft", "versions": [{"lessThan": "15.0.2200.2", "status": "affected", "version": "15.0.0", "versionType": "custom"}]}, {"platforms": ["x64-based Systems"], "product": "Microsoft SQL Server 2019 for x64-based Systems (CU32)", "vendor": "Microsoft", "versions": [{"lessThan": "15.0.4500.2", "status": "affected", "version": "15.0.4003.23", "versionType": "custom"}]}, {"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 (CU8)", "vendor": "Microsoft", "versions": [{"status": "affected", "version": "-"}]}, {"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": "Out-of-bounds read in SQL Server allows an unauthorized attacker to disclose information over an adjacent network."}], "id": "CVE-2026-88086", "lastModified": "2026-10-13T21:19:43.183", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 3.6, "source": "secure@microsoft.com", "type": "Primary"}]}, "published": "2026-10-13T21:19:43.183", "references": [{"source": "secure@microsoft.com", "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88086"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "secure@microsoft.com", "type": "Primary"}]}

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