{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-43803",
    "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
    "assignerShortName": "apple",
    "dateUpdated": "2026-07-28T13:48:30.500Z",
    "dateReserved": "2026-05-01T22:46:27.821Z",
    "datePublished": "2026-07-27T20:14:02.024Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "shortName": "apple",
        "dateUpdated": "2026-07-27T20:14:02.024Z"
      },
      "descriptions": [
        {
          "lang": "en",
          "value": "An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. A remote attacker may be able to cause unexpected system termination."
        }
      ],
      "affected": [
        {
          "vendor": "Apple",
          "product": "iOS and iPadOS",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "26.6"
            }
          ]
        },
        {
          "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"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "tvOS",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "26.6"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "visionOS",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "26.6"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "watchOS",
          "versions": [
            {
              "version": "0",
              "status": "affected",
              "versionType": "custom",
              "lessThan": "26.6"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "A remote attacker may be able to cause unexpected system termination"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://support.apple.com/en-us/128066"
        },
        {
          "url": "https://support.apple.com/en-us/128067"
        },
        {
          "url": "https://support.apple.com/en-us/128068"
        },
        {
          "url": "https://support.apple.com/en-us/128069"
        },
        {
          "url": "https://support.apple.com/en-us/128070"
        },
        {
          "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": "2026-07-28T13:48:30.500Z"
        },
        "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"
            }
          },
          {}
        ]
      }
    ]
  }
}