CVE-2026-43818 (GCVE-0-2026-43818)

Vulnerability from cvelistv5 – Published: 2026-07-27 20:13 – Updated: 2026-07-27 20:13
VLAI
Summary
An integer overflow was addressed with improved input validation. 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. Processing a maliciously crafted image may lead to arbitrary code execution.
Severity
No CVSS data available.
CWE
  • Processing a maliciously crafted image may lead to arbitrary code execution
Assigner
References
Impacted products
Vendor Product Version
Apple iOS and iPadOS Affected: 0 , < 26.6 (custom)
Create a notification for this product.
Apple macOS Affected: 0 , < 14.8.8 (custom)
Affected: 0 , < 15.7.8 (custom)
Affected: 0 , < 26.6 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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        {
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            }
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        },
        {
          "product": "macOS",
          "vendor": "Apple",
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            {
              "lessThan": "14.8.8",
              "status": "affected",
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            },
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Processing a maliciously crafted image may lead to arbitrary code execution",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-27T20:13:44.522Z",
        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "shortName": "apple"
      },
      "references": [
        {
          "url": "https://support.apple.com/en-us/128066"
        },
        {
          "url": "https://support.apple.com/en-us/128067"
        },
        {
          "url": "https://support.apple.com/en-us/128071"
        },
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  "cveMetadata": {
    "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
    "assignerShortName": "apple",
    "cveId": "CVE-2026-43818",
    "datePublished": "2026-07-27T20:13:44.522Z",
    "dateReserved": "2026-05-01T22:46:27.822Z",
    "dateUpdated": "2026-07-27T20:13:44.522Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.