CVE Watch7 oct 2026

CVE-2025-43529

Apple Multiple Products Use-After-Free WebKit Vulnerability

CVSS

8.8

Alto

EPSS

8.8%

p95

KEV

SÍ

15 dic 2025

Exploit Today

0-100

Publicado: 17 dic 2025 · Última mod.: 7 oct 2026 · CWE-416

EPSS · 30d

8.8%EPSS · 30 días8.8%

2026-09-172026-10-15

Ficha del catálogo KEV

Producto

Apple / Multiple Products

Vulnerabilidad

Apple Multiple Products Use-After-Free WebKit Vulnerability

Añadido a KEV

15 dic 2025

Remediar antes de

5 ene 2026

Uso conocido en ransomware

Descripción resumida

Apple iOS, iPadOS, macOS, and other Apple products contain a use-after-free vulnerability in WebKit. Processing maliciously crafted web content may lead to memory corruption. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

Acción requerida

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notas

https://support.apple.com/en-us/125884 ; https://support.apple.com/en-us/125892 ; https://support.apple.com/en-us/125885 ; https://support.apple.com/en-us/125886 ; https://support.apple.com/en-us/125889 ; https://nvd.nist.gov/vuln/detail/CVE-2025-43529

Descripción técnica

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report.

Referencias oficiales

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