FKIE_CVE-2026-40370

Vulnerability from fkie_nvd - Published: 2026-05-12 18:17 - Updated: 2026-06-18 17:23
Severity
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
External control of file name or path in SQL Server allows an authorized attacker to execute code over a network.
References
secure@microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40370Vendor Advisory
Impacted products
Vendor Product Version
microsoft sql_server_2016 *
microsoft sql_server_2016 *
microsoft sql_server_2017 *
microsoft sql_server_2017 *
microsoft sql_server_2019 *
microsoft sql_server_2019 *
microsoft sql_server_2022 *
microsoft sql_server_2022 *
microsoft sql_server_2025 *
microsoft sql_server_2025 *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Microsoft SQL Server 2016 Service Pack 3 (GDR)",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "13.0.6490.1",
              "status": "affected",
              "version": "13.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "13.0.7085.1",
              "status": "affected",
              "version": "13.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Microsoft SQL Server 2017 (CU 31)",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "14.0.3530.2",
              "status": "affected",
              "version": "14.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Microsoft SQL Server 2017 (GDR)",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "14.0.2110.2",
              "status": "affected",
              "version": "14.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Microsoft SQL Server 2019 (CU 32)",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "15.0.4470.1",
              "status": "affected",
              "version": "15.0.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Microsoft SQL Server 2019 (GDR)",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "15.0.2170.1",
              "status": "affected",
              "version": "15.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Microsoft SQL Server 2022 (GDR)",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "16.0.1180.1",
              "status": "affected",
              "version": "16.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Microsoft SQL Server 2022 for x64-based Systems (CU 24)",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "16.0.4252.3",
              "status": "affected",
              "version": "16.0.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Microsoft SQL Server 2025 (CU 4)",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "17.0.4040.1",
              "status": "affected",
              "version": "17.0.4040.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Microsoft SQL Server 2025 for x64-based Systems (GDR)",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "17.0.1115.1",
              "status": "affected",
              "version": "17.0.1050.2",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "secure@microsoft.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:sql_server_2016:*:*:*:*:*:*:x64:*",
              "matchCriteriaId": "07504D93-CA3C-49EA-A19E-9FF6E39DA2C2",
              "versionEndExcluding": "13.0.6490.1",
              "versionStartIncluding": "13.0.6300.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:sql_server_2016:*:*:*:*:*:*:x64:*",
              "matchCriteriaId": "8788D53F-C70A-4445-A091-0E6F3B3580C2",
              "versionEndExcluding": "13.0.7085.1",
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              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:sql_server_2017:*:*:*:*:*:*:x64:*",
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            {
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              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*",
              "matchCriteriaId": "AA2CF0C9-AC74-4170-A3DA-6DBD6B191EE6",
              "versionEndExcluding": "15.0.2170.1",
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              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:sql_server_2019:*:*:*:*:*:*:x64:*",
              "matchCriteriaId": "8ABD3289-C541-4C60-9F0C-51414D05CCCD",
              "versionEndExcluding": "15.0.4470.1",
              "versionStartIncluding": "15.0.4003.23",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*",
              "matchCriteriaId": "34EB59C6-69B7-4EC2-ABAE-0BD7C8AF0220",
              "versionEndExcluding": "16.0.1180.1",
              "versionStartIncluding": "16.0.1000.6",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:sql_server_2022:*:*:*:*:*:*:x64:*",
              "matchCriteriaId": "AA459F89-6125-4CA4-8376-244CA117BF5D",
              "versionEndExcluding": "16.0.4252.3",
              "versionStartIncluding": "16.0.4003.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*",
              "matchCriteriaId": "3354FA6E-48A1-406B-A2CB-DB9B769C7E1B",
              "versionEndExcluding": "17.0.1115.1",
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              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:sql_server_2025:*:*:*:*:*:*:x64:*",
              "matchCriteriaId": "6440EDCA-2737-425A-9C84-A775C133C581",
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              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "External control of file name or path in SQL Server allows an authorized attacker to execute code over a network."
    }
  ],
  "id": "CVE-2026-40370",
  "lastModified": "2026-06-18T17:23:30.523",
  "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": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-40370",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-05-13T03:57:25.195979Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-05-12T18:17:16.147",
  "references": [
    {
      "source": "secure@microsoft.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40370"
    }
  ],
  "sourceIdentifier": "secure@microsoft.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-73"
        }
      ],
      "source": "secure@microsoft.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-610"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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