CVE-2020-27918

Estado: ModificadaAlta (7.8)—
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, Safari 14.0.1, tvOS 14.2, iTunes 12.11 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.
CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Puntuación base: 7.8
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 1.43%
Percentil entre todas las CVEs puntuadas: 72
Fecha de la puntuación: 5/10/2026
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).
Tecnologías afectadas (11)

Apple — Icloud Apple — Ipados Apple — Iphone OS Apple — Itunes Apple — Macos Apple — Safari Apple — Tvos Apple — Watchos Debian — Debian Linux Fedoraproject — Fedora Webkitgtk — Webkitgtk+
CWE

CWE-416
Referencias

JSON original (NVD)

Mostrar
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      "source": "nvd@nist.gov",
      "description": [
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          "lang": "en",
          "value": "CWE-416"
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  "descriptions": [
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      "lang": "en",
      "value": "A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, Safari 14.0.1, tvOS 14.2, iTunes 12.11 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution."
    },
    {
      "lang": "es",
      "value": "Se abordó un problema de uso de la memoria previamente liberada, con una administración de la memoria mejorada.&#xa0;Este problema se corrigió en macOS Big Sur versión 11.0.1, watchOS versión 7.1, iOS versión 14.2 y iPadOS versión 14.2, iCloud para Windows versión 11.5, Safari versión 14.0.1, tvOS versión 14.2, iTunes versión 12.11 para Windows.&#xa0;El procesamiento de contenido web diseñado maliciosamente puede conllevar a una ejecución de código arbitraria"
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  "lastModified": "2026-06-17T03:09:52.243",
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