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CVE-2026-88086

Full vulnerability record from the local CVENow database.

Description

Out-of-bounds read in SQL Server allows an unauthorized attacker to disclose information over an adjacent network.

Severity
MEDIUM
CVSS score
5.3 (v3.1)
Vulnerability status
Awaiting Analysis
Source identifier
Published
2026-10-13 21:19:43.183000
Last modified
2026-10-30 20:17:23.600000
View original CVE JSON
{
  "id": "CVE-2026-88086",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-13T21:19:43.183",
  "lastModified": "2026-10-30T20:17:23.600",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Out-of-bounds read in SQL Server allows an unauthorized attacker to disclose information over an adjacent network."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "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 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"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "ADJACENT_NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-13T21:55:43.350396Z",
          "id": "CVE-2026-88086",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88086",
      "source": "[email protected]"
    }
  ]
}