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CVE-2026-28976

Full vulnerability record from the local CVENow database.

Description

An information leakage was addressed with additional validation. This issue is fixed in macOS Tahoe 26.5. An app may be able to gain root privileges.

Severity
HIGH
CVSS score
7.5 (v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-05-11 21:18:58.117000
Last modified
2026-10-26 18:10:00.173000
View original CVE JSON
{
  "id": "CVE-2026-28976",
  "sourceIdentifier": "[email protected]",
  "published": "2026-05-11T21:18:58.117",
  "lastModified": "2026-10-26T18:10:00.173",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An information leakage was addressed with additional validation. This issue is fixed in macOS Tahoe 26.5. An app may be able to gain root privileges."
    },
    {
      "lang": "es",
      "value": "Una fuga de información se abordó con validación adicional. Este problema está solucionado en macOS Tahoe 26.5. Una app podría obtener privilegios de root."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "version": "0",
              "lessThan": "26.5",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-05-12T18:21:11.457385Z",
          "id": "CVE-2026-28976",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        },
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "26.0",
              "versionEndExcluding": "26.5",
              "matchCriteriaId": "6CB91417-90A8-4A9B-A1D0-1D94B80EF837"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://support.apple.com/en-us/127115",
      "source": "[email protected]",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    }
  ]
}