CVE-2026-43807 (GCVE-0-2026-43807)

Vulnerability from cvelistv5 – Published: 2026-07-27 20:12 – Updated: 2026-07-27 20:12
VLAI
Summary
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious accessory may be able to cause unexpected app termination.
Severity
No CVSS data available.
CWE
  • A malicious accessory may be able to cause unexpected app termination
Assigner
References
Impacted products
Vendor Product Version
Apple iOS and iPadOS Affected: 0 , < 26.5.2 (custom)
Create a notification for this product.
Apple macOS Affected: 0 , < 14.8.8 (custom)
Affected: 0 , < 15.7.8 (custom)
Affected: 0 , < 26.5.2 (custom)
Create a notification for this product.
Apple tvOS Affected: 0 , < 26.6 (custom)
Create a notification for this product.
Apple visionOS Affected: 0 , < 26.6 (custom)
Create a notification for this product.
Apple watchOS Affected: 0 , < 26.6 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "iOS and iPadOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.5.2",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "macOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "14.8.8",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
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              "status": "affected",
              "version": "0",
              "versionType": "custom"
            },
            {
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              "status": "affected",
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              "versionType": "custom"
            }
          ]
        },
        {
          "product": "tvOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.6",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "visionOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.6",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "watchOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "26.6",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious accessory may be able to cause unexpected app termination."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "A malicious accessory may be able to cause unexpected app termination",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-27T20:12:38.834Z",
        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "shortName": "apple"
      },
      "references": [
        {
          "url": "https://support.apple.com/en-us/127594"
        },
        {
          "url": "https://support.apple.com/en-us/127595"
        },
        {
          "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"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
    "assignerShortName": "apple",
    "cveId": "CVE-2026-43807",
    "datePublished": "2026-07-27T20:12:38.834Z",
    "dateReserved": "2026-05-01T22:46:27.821Z",
    "dateUpdated": "2026-07-27T20:12:38.834Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-43807\",\"sourceIdentifier\":\"product-security@apple.com\",\"published\":\"2026-07-27T21:17:03.950\",\"lastModified\":\"2026-07-27T21:17:03.950\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious accessory may be able to cause unexpected app termination.\"}],\"affected\":[{\"source\":\"product-security@apple.com\",\"affectedData\":[{\"vendor\":\"Apple\",\"product\":\"iOS and iPadOS\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"26.5.2\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Apple\",\"product\":\"macOS\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"14.8.8\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"15.7.8\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"26.5.2\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Apple\",\"product\":\"tvOS\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"26.6\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Apple\",\"product\":\"visionOS\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"26.6\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Apple\",\"product\":\"watchOS\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"26.6\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{},\"references\":[{\"url\":\"https://support.apple.com/en-us/127594\",\"source\":\"product-security@apple.com\"},{\"url\":\"https://support.apple.com/en-us/127595\",\"source\":\"product-security@apple.com\"},{\"url\":\"https://support.apple.com/en-us/128068\",\"source\":\"product-security@apple.com\"},{\"url\":\"https://support.apple.com/en-us/128069\",\"source\":\"product-security@apple.com\"},{\"url\":\"https://support.apple.com/en-us/128070\",\"source\":\"product-security@apple.com\"},{\"url\":\"https://support.apple.com/en-us/128071\",\"source\":\"product-security@apple.com\"},{\"url\":\"https://support.apple.com/en-us/128072\",\"source\":\"product-security@apple.com\"}]}}"
  }
}



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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.