CVE-2026-58957

Full vulnerability record from the local CVENow database.

Description

In resolveToHeavyWeightSwitcherIfNeeded of ActivityStarter.java, there is a possible background activity launch due to a confused deputy. 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 20:17:52.280000

Last modified

2026-11-02 21:17:37.313000

View original CVE JSON

{
  "id": "CVE-2026-58957",
  "sourceIdentifier": "[email protected]",
  "published": "2026-11-02T20:17:52.280",
  "lastModified": "2026-11-02T21:17:37.313",
  "vulnStatus": "Received",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In resolveToHeavyWeightSwitcherIfNeeded of ActivityStarter.java, there is a possible background activity launch due to a confused deputy. 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": "2026-11-02T20:42:47.651573Z",
          "id": "CVE-2026-58957",
          "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-441"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://source.android.com/docs/security/bulletin/2026/2026-11-01",
      "source": "[email protected]"
    }
  ]
}