CVE-2026-109469

Full vulnerability record from the local CVENow database.

Description

Authorization bypass through user-controlled key in Entra Device Registration allows an unauthorized attacker to elevate privileges over a network.

Severity

CRITICAL

CVSS score

10.0 (v3.1)

Vulnerability status

Awaiting Analysis

Source identifier

[email protected]

Published

2026-11-06 23:17:20.557000

Last modified

2026-11-06 23:17:20.707000

View original CVE JSON

{
  "id": "CVE-2026-109469",
  "sourceIdentifier": "[email protected]",
  "published": "2026-11-06T23:17:20.557",
  "lastModified": "2026-11-06T23:17:20.707",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [
    {
      "sourceIdentifier": "[email protected]",
      "tags": [
        "exclusively-hosted-service"
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Authorization bypass through user-controlled key in Entra Device Registration allows an unauthorized attacker to elevate privileges over a network."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Microsoft",
          "product": "Entra Device Registration",
          "versions": [
            {
              "version": "-",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "baseScore": 10.0,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.0
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-639"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-109469",
      "source": "[email protected]"
    }
  ]
}