macOS — security advisory

{
  "id": "2cecd003b57a33b2fe32961d89f91d3b1d9a167919325603359c47ae84a41267",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-84545",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-84545",
    "summary": "A use after free issue was addressed with improved memory management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app with App Sandbox restrictions may be able to escape the sandbox and execute code with root privileges.",
    "evidence": "cve:CVE-2026-84545",
    "products": [
      {
        "name": {
          "value": "macOS",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-84545",
      "aliases": [
        "CVE-2026-84545"
      ],
      "metrics": [],
      "affected": [
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "15.8.2",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "0",
              "lessThan": "26.7.2",
              "versionType": "custom"
            },
            {
              "status": "affected",
              "version": "0",
              "lessThan": "27",
              "versionType": "custom"
            }
          ]
        }
      ],
      "modified": "2026-10-26T20:41:26.225Z",
      "provider": "cve",
      "references": [
        "https://support.apple.com/en-us/149035",
        "https://support.apple.com/en-us/149522",
        "https://support.apple.com/en-us/149523"
      ],
      "provider_metadata": {
        "cna": {
          "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
          "shortName": "apple",
          "dateUpdated": "2026-10-26T20:41:26.225Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-84545",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-cve",
  "document_id": 344433,
  "published_at": "2026-10-26T20:41:26.225+00:00"
}