CVE-2026-85919

Status: Awaiting AnalysisHigh (7)—

Severity7High · CVSS 3.1

Exploitation probability0.18 %higher than 7% of CVEs

Active exploitationNonot in the CISA catalog

Public exploitNot knownno public code found

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

CVSS

Base score: 7
Version: 3.1
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.18 %
Percentile among all scored CVEs: 7
Score date: 10/20/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1068 Exploitation for Privilege Escalationprivilege escalation90 %

El vector AV:L con UI:N indica explotación local sin interacción (T1068); el texto solo menciona escalada de privilegios, sin ejecución de comandos, así que no se asigna impacto.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Threat Intelligence Program Execution Prevention Application Isolation and Sandboxing Exploit Protection Update Software

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Microsoft — SQL Server^AI

CWEs

CWE-122

References

Show 1 references

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85919

Raw JSON (NVD)

Show

{
  "id": "CVE-2026-85919",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-85919",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-15T00:00:00+00:00"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "secure@microsoft.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Microsoft SQL Server 2019 (GDR)",
          "versions": [
            {
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          ],
          "platforms": [
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        },
        {
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          "platforms": [
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        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft SQL Server 2025 (CU8)",
          "versions": [
            {
              "status": "affected",
              "version": "-"
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          ],
          "platforms": [
            "x64-based Systems"
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft SQL Server 2025 for x64-based Systems (CU9)",
          "versions": [
            {
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              "lessThan": "17.0.5015.4",
              "versionType": "custom"
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          ],
          "platforms": [
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        },
        {
          "vendor": "Microsoft",
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            {
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          ],
          "platforms": [
            "x64-based Systems"
          ]
        }
      ]
    }
  ],
  "published": "2026-10-13T21:19:34.053",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85919",
      "source": "secure@microsoft.com"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secure@microsoft.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-122"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Heap-based buffer overflow in SQL Server allows an authorized attacker to elevate privileges locally."
    }
  ],
  "lastModified": "2026-10-16T04:18:39.553",
  "sourceIdentifier": "secure@microsoft.com"
}