2026-07-27 20:13CVE-2026-43802apple
PUBLISHED5.2

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.

Problem type

  • An app may be able to cause unexpected system termination

Affected products

Apple

macOS

< 14.8.8 - AFFECTED

< 15.7.8 - AFFECTED

< 26.6 - AFFECTED

References

GitHub Security Advisories

GHSA-jhhw-w49f-ccpw

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in...

https://github.com/advisories/GHSA-jhhw-w49f-ccpw

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.

JSON source

https://cveawg.mitre.org/api/cve/CVE-2026-43802
Click to expand
{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-43802",
    "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
    "assignerShortName": "apple",
    "dateUpdated": "2026-07-28T14:03:05.282Z",
    "dateReserved": "2026-05-01T22:46:27.820Z",
    "datePublished": "2026-07-27T20:13:51.104Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "shortName": "apple",
        "dateUpdated": "2026-07-27T20:13:51.104Z"
      },
      "descriptions": [
        {
          "lang": "en",
          "value": "An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination."
        }
      ],
      "affected": [
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "14.8.8"
            },
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "15.7.8"
            },
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "26.6"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "An app may be able to cause unexpected system termination"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://support.apple.com/en-us/128067"
        },
        {
          "url": "https://support.apple.com/en-us/128071"
        },
        {
          "url": "https://support.apple.com/en-us/128072"
        }
      ]
    },
    "adp": [
      {
        "providerMetadata": {
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP",
          "dateUpdated": "2026-07-28T14:03:05.282Z"
        },
        "title": "CISA ADP Vulnrichment",
        "problemTypes": [
          {
            "descriptions": [
              {
                "lang": "en",
                "description": "CWE-787 Out-of-bounds Write",
                "cweId": "CWE-787",
                "type": "CWE"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "version": "3.1",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "attackVector": "NETWORK",
              "attackComplexity": "LOW",
              "privilegesRequired": "NONE",
              "userInteraction": "NONE",
              "scope": "UNCHANGED",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL"
            }
          },
          {}
        ]
      }
    ]
  }
}