Medium

Microsoft SQL Server Elevation of Privilege Vulnerability

Type: advisorySource: Official CVE List1 source record

Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally.

Announced 13 Oct 2026Group revision 1

CVE-2026-88085

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-88085

Microsoft SQL Server 2017 (GDR)

Source reference: /containers/cna/affected/0/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Microsoft SQL Server 2017 for x64-based Systems (CU31)

Source reference: /containers/cna/affected/1/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Microsoft SQL Server 2019 (GDR)

Source reference: /containers/cna/affected/2/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Microsoft SQL Server 2019 for x64-based Systems (CU32)

Source reference: /containers/cna/affected/3/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Microsoft SQL Server 2022 (GDR)

Source reference: /containers/cna/affected/4/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Microsoft SQL Server 2022 for x64-based Systems (CU27)

Source reference: /containers/cna/affected/5/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Microsoft SQL Server 2025 (CU8)

Source reference: /containers/cna/affected/6/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Microsoft SQL Server 2025 for x64-based Systems (CU9)

Source reference: /containers/cna/affected/7/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Microsoft SQL Server 2025 for x64-based Systems (GDR)

Source reference: /containers/cna/affected/8/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Microsoft",
    "product": "Microsoft SQL Server 2017 (GDR)",
    "versions": [
      {
        "status": "affected",
        "version": "14.0.0",
        "lessThan": "14.0.2140.2",
        "versionType": "custom"
      }
    ],
    "platforms": [
      "x64-based Systems"
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft SQL Server 2017 for x64-based Systems (CU31)",
    "versions": [
      {
        "status": "affected",
        "version": "14.0.3006.16",
        "lessThan": "14.0.3560.2",
        "versionType": "custom"
      }
    ],
    "platforms": [
      "x64-based Systems"
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft SQL Server 2019 (GDR)",
    "versions": [
      {
        "status": "affected",
        "version": "15.0.0",
        "lessThan": "15.0.2200.2",
        "versionType": "custom"
      }
    ],
    "platforms": [
      "x64-based Systems"
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Microsoft SQL Server 2019 for x64-based Systems (CU32)",
    "versions": [
      {
        "status": "affected",
        "version": "15.0.4003.23",
        "lessThan": "15.0.4500.2",
        "versionType": "custom"
      }
    ],
    "platforms": [
      "x64-based Systems"
    ]
  },
  {
    "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 (CU8)",
    "versions": [
      {
        "status": "affected",
        "version": "-"
      }
    ],
    "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"
    ]
  }
]

Related CVEs: CVE-2026-88085
Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event: #55107 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 15:30:05 GMT
Publisher date: Tue, 13 Oct 2026 20:37:23 GMT

Read the original announcement

Revision history

25 Oct 2026CVE-2026-88085 · Revision 1Source updated