CVE-2026-64771
Estado: ModificadaCrítica (9.8)—
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may be able to cause unexpected application termination or heap corruption.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.85%
- Percentil entre todas las CVEs puntuadas: 57
- Fecha de la puntuación: 6/10/2026
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.
- Explotación
T1190Exploit Public-Facing Applicationinitial access95 % - Impacto secundario
T1499.004Application or System Exploitationimpact85 %
Buffer overflow remoto sin autenticación (AV:N, PR:N, UI:N) en múltiples plataformas Apple. Permite ejecución de código o corrupción de heap/DoS según explotación.
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 (5)
CWE
- CWE-119
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-64771",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-64771",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-07-28T14:00:07.161761Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "product-security@apple.com",
"affectedData": [
{
"vendor": "Apple",
"product": "iOS and iPadOS",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "18.7.10",
"versionType": "custom"
},
{
"status": "affected",
"version": "0",
"lessThan": "26.6",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "15.7.8",
"versionType": "custom"
},
{
"status": "affected",
"version": "0",
"lessThan": "26.6",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "tvOS",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "26.6",
"versionType": "custom"
}
]
},
{
"vendor": "Apple",
"product": "visionOS",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "26.6",
"versionType": "custom"
}
]
}
]
}
],
"published": "2026-07-27T21:17:15.213",
"references": [
{
"url": "https://support.apple.com/en-us/128066",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/128067",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/128069",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/128070",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/128071",
"tags": [
"Release Notes",
"Vendor Advisory"
],
"source": "product-security@apple.com"
},
{
"url": "https://support.apple.com/en-us/148287",
"source": "product-security@apple.com"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"description": [
{
"lang": "en",
"value": "CWE-119"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may be able to cause unexpected application termination or heap corruption."
}
],
"lastModified": "2026-08-17T22:17:22.317",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AB0E13A1-17E9-4198-A359-304F8145F34F",
"versionEndExcluding": "26.6"
},
{
"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "622D61A7-C893-4550-800A-8CEDE14F3033",
"versionEndExcluding": "26.6"
},
{
"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B3E01512-81BB-4C92-B0A5-C07F1C1A432E",
"versionEndExcluding": "15.7.8",
"versionStartIncluding": "15.0"
},
{
"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8D3D83F1-07DF-47C2-9F3B-0BC5A1434606",
"versionEndExcluding": "26.6",
"versionStartIncluding": "26.0"
},
{
"criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D461E49C-A6FA-4AFD-B557-FB066243A708",
"versionEndExcluding": "26.6"
},
{
"criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "927CD91A-3CC7-42CE-BD20-CD6D7C9B4984",
"versionEndExcluding": "26.6"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "product-security@apple.com"
}