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CVE-2026-43715

Estado: ModificadaAlta (8.8)—

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, iOS 26.7 and iPadOS 26.7, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to memory corruption.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vector CVSS con UI:R (requiere interacción del usuario) indica ejecución en el cliente. El use-after-free en procesamiento de contenido web malicioso típicamente causa corrupción de memoria que habilita ejecución de código arbitrario.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Tecnologías afectadas (4)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-43715",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-43715",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-06-29T00:00:00+00:00"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "Safari",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "26.5.2",
              "versionType": "custom"
            }
          ]
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        {
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          "product": "iOS and iPadOS",
          "versions": [
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            {
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              "version": "0",
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        {
          "vendor": "Apple",
          "product": "macOS",
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              "version": "0",
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          "product": "tvOS",
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              "version": "0",
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        },
        {
          "vendor": "Apple",
          "product": "visionOS",
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              "version": "0",
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          ]
        },
        {
          "vendor": "Apple",
          "product": "watchOS",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "lessThan": "26.6",
              "versionType": "custom"
            }
          ]
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  ],
  "published": "2026-06-29T20:17:36.173",
  "references": [
    {
      "url": "https://support.apple.com/en-us/127594",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/127595",
      "tags": [
        "Vendor Advisory"
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      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/en-us/127685",
      "tags": [
        "Vendor Advisory"
      ],
      "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/149041",
      "source": "product-security@apple.com"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, iOS 26.7 and iPadOS 26.7, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to memory corruption."
    }
  ],
  "lastModified": "2026-09-14T21:17:09.273",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A3C31705-98A5-4EB4-9C89-47140142B078",
              "versionEndExcluding": "26.5.2"
            },
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              "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DB0D3014-6223-4BE5-B8D5-C8A17326859D",
              "versionEndExcluding": "26.5.2"
            },
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "237EDA63-32B7-40AA-8EDD-726EC67EAE38",
              "versionEndExcluding": "26.5.2"
            },
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              "vulnerable": true,
              "matchCriteriaId": "C3D2FD83-D448-4CD3-90ED-9FB8BF55B0D0",
              "versionEndExcluding": "26.5.2",
              "versionStartIncluding": "26.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@apple.com"
}