2026-07-27 20:15CVE-2026-43757apple
PUBLISHED5.2

An out-of-bounds read 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-whqr-78r5-cq67

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

https://github.com/advisories/GHSA-whqr-78r5-cq67

An out-of-bounds read 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-2026-43757
Click to expand
{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-43757",
    "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
    "assignerShortName": "apple",
    "dateUpdated": "2026-07-28T13:57:04.490Z",
    "dateReserved": "2026-05-01T22:46:27.816Z",
    "datePublished": "2026-07-27T20:15:03.194Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "shortName": "apple",
        "dateUpdated": "2026-07-27T20:15:03.194Z"
      },
      "descriptions": [
        {
          "lang": "en",
          "value": "An out-of-bounds read 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": "2026-07-28T13:57:04.490Z"
        },
        "title": "CISA ADP Vulnrichment",
        "problemTypes": [
          {
            "descriptions": [
              {
                "lang": "en",
                "description": "CWE-125 Out-of-bounds Read",
                "cweId": "CWE-125",
                "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"
            }
          },
          {}
        ]
      }
    ]
  }
}