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CVE-2018-9476

Status: ModifiedCritical (9.8)—
Severity9.8Critical · CVSS 3.0
Exploitation probability2.48 %higher than 84% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

In avrc_pars_browsing_cmd of avrc_pars_tg.cc, there is a possible use-after-free due to improper locking. This could lead to remote escalation of privilege in the Bluetooth service with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-8.0 Android-8.1 Android ID: A-109699112

CVSS

Base score
9.8
Version
3.0
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
2.48 %
Percentile among all scored CVEs
84
Score date
10/21/2026

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).

Affected technologies (1)

Google — Android

CWEs

References

Show 6 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2018-9476",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 10,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security@android.com",
      "affectedData": [
        {
          "vendor": "Google Inc.",
          "product": "Android",
          "versions": [
            {
              "status": "affected",
              "version": "Android-8.0 Android-8.1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-10-02T19:29:02.963",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/105482",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "security@android.com"
    },
    {
      "url": "https://android.googlesource.com/platform/system/bt/+/dd28d8ddf2985d654781770c691c60b45d7f32b4",
      "tags": [
        "Patch",
        "Third Party Advisory"
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      "source": "security@android.com"
    },
    {
      "url": "https://source.android.com/security/bulletin/2018-10-01%2C",
      "source": "security@android.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/105482",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://android.googlesource.com/platform/system/bt/+/dd28d8ddf2985d654781770c691c60b45d7f32b4",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://source.android.com/security/bulletin/2018-10-01%2C",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In avrc_pars_browsing_cmd of avrc_pars_tg.cc, there is a possible use-after-free due to improper locking. This could lead to remote escalation of privilege in the Bluetooth service with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-8.0 Android-8.1 Android ID: A-109699112"
    },
    {
      "lang": "es",
      "value": "En avrc_pars_browsing_cmd en avrc_pars_tg.cc, hay un posible uso de memoria previamente liberada debido a un bloqueo incorrecto. Esto podría llevar a un escalado de privilegios remoto en el servicio Bluetooth sin necesitar privilegios de ejecución adicionales. No se necesita interacción del usuario para explotarlo. Producto: Versiones de Android: Android-8.0 y Android-8.1. Android ID: A-109699112"
    }
  ],
  "lastModified": "2026-06-17T02:06:45.957",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B578E383-0D77-4AC7-9C81-3F0B8C18E033"
            },
            {
              "criteria": "cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B06BE74B-83F4-41A3-8AD3-2E6248F7B0B2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security@android.com"
}