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CVE-2026-86870

nvd nist
Published: Sep 14, 2026Modified: Sep 18, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Exploitability: 2.8 / Impact: 3.6
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

A heap buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27, watchOS 27. Processing a maliciously crafted file may lead to unexpected app termination.

Affected (5)

Apple
5 products
Ipados
Iphone Os
Macos
Visionos
Watchos
Configuration A
5 vulnerable
Vulnerable SoftwareAffected Versions
Ipados
version < 26.7
Iphone Os
version < 26.7
Macos
version < 27.0
Visionos
version < 27.0
Watchos
version < 27.0

Related CWEs

CWE-122
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

References (5)

Source: product-security@apple.com
Vendor Advisory
Source: product-security@apple.com
Vendor Advisory
Source: product-security@apple.com
Vendor Advisory
Source: product-security@apple.com
Vendor Advisory
Source: product-security@apple.com
Vendor Advisory

Timeline

No history available yet.