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CVE-2026-70189

Status: Awaiting AnalysisMedium (6.7)—
Severity6.7Medium · CVSS 3.1
Exploitation probability0.26 %higher than 16% 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 execute code locally.

CVSS

Base score
6.7
Version
3.1
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.26 %
Percentile among all scored CVEs
16
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.

El vector AV:L/PR:H/UI:N indica acceso local sin interacción del usuario, y la descripción dice que un atacante autorizado ejecuta código localmente mediante desbordamiento de heap.

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

Execution PreventionThreat Intelligence ProgramRestrict Web-Based ContentPrivileged Account ManagementLimit Software InstallationBehavior Prevention on Endpoint

Affected technologies (1)

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

Microsoft — SQL ServerAI

CWEs

References

Show 1 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2026-70189",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
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          ],
          "version": "2.0.3",
          "timestamp": "2026-10-15T00:00:00+00:00"
        }
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          "userInteraction": "NONE",
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          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
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        "impactScore": 5.9,
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        {
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          "versions": [
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  "published": "2026-10-13T21:18:05.540",
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70189",
      "source": "secure@microsoft.com"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secure@microsoft.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-122"
        }
      ]
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  "descriptions": [
    {
      "lang": "en",
      "value": "Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code locally."
    }
  ],
  "lastModified": "2026-10-16T04:18:35.733",
  "sourceIdentifier": "secure@microsoft.com"
}