CVE-2026-65396

{
  "id": "CVE-2026-65396",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-20T01:17:18.313",
  "lastModified": "2026-11-03T21:15:21.490",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "version": "0",
              "lessThan": "15.8",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "26.7",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "27",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-20T14:09:06.858948Z",
          "id": "CVE-2026-65396",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "15.8",
              "matchCriteriaId": "027D0062-9C57-4DF6-BE4D-70FD88DB40E4"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "26.0",
              "versionEndExcluding": "26.7",
              "matchCriteriaId": "1BE83000-26C0-49C5-A966-BB40AD6F8BEE"
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  "references": [
    {
      "url": "https://support.apple.com/en-us/149035",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/149042",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/149043",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory",
        "Release Notes"
      ]
    }
  ]
}