CVE-2026-28588

Full vulnerability record from the local CVENow database.

Description

In shouldBlockDirectoryFromTree of ExternalStorageProvider.java, there is a possible way to access protected data due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Severity

HIGH

CVSS score

8.4 (v3.1)

Vulnerability status

Received

Source identifier

[email protected]

Published

2026-11-02 20:17:41.713000

Last modified

2026-11-02 20:17:41.713000

View original CVE JSON

{
  "id": "CVE-2026-28588",
  "sourceIdentifier": "[email protected]",
  "published": "2026-11-02T20:17:41.713",
  "lastModified": "2026-11-02T20:17:41.713",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In shouldBlockDirectoryFromTree of ExternalStorageProvider.java, there is a possible way to access protected data due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Google",
          "product": "Android",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "17",
              "status": "affected"
            },
            {
              "version": "16-qpr2",
              "status": "affected"
            },
            {
              "version": "16",
              "status": "affected"
            },
            {
              "version": "15",
              "status": "affected"
            },
            {
              "version": "14",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 8.4,
          "baseSeverity": "HIGH",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.5,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-11-02T20:11:36.118794Z",
          "id": "CVE-2026-28588",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://source.android.com/docs/security/bulletin/2026/2026-11-01",
      "source": "[email protected]"
    }
  ]
}