CVE-2026-86975

Analyzed Analyzed - Analysis Complete

Out-of-Bounds Read in iOS and macOS with Malicious Image Processing

Publication date: 2026-10-20

Last updated on: 2026-11-05

Assigner: Apple Inc.

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted image may lead to unexpected process termination.

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Meta Information

Published

2026-10-20

Last Modified

2026-11-05

Generated

2026-11-09

AI Q&A

2026-10-20

EPSS Evaluated

2026-11-08

NVD

CVE-2026-86975

EUVD

EUVD-2026-104737

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ipados	to 27.0 (exc)
apple	iphone_os	to 27.0 (exc)
apple	macos	to 27.0 (exc)
apple	visionos	to 27.0 (exc)
apple	watchos	to 27.0 (exc)
apple	tvos	to 27.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is an out-of-bounds read issue caused by insufficient bounds checking. It occurs when software reads data outside the intended memory area, which can lead to crashes or unexpected behavior.

Detection Guidance

This vulnerability is specific to Apple devices and relates to image processing. Detection requires checking if your device is running an affected version of iOS, iPadOS, macOS, tvOS, visionOS, or watchOS. Use system update commands to verify versions.

Impact Analysis

Processing a maliciously crafted image could cause an application to terminate unexpectedly, potentially leading to denial of service or other disruptions.

Compliance Impact

The vulnerability may lead to unexpected process termination when processing maliciously crafted images, which could disrupt data processing or availability. This could potentially impact compliance with standards requiring data integrity and availability, such as GDPR or HIPAA, if systems fail to process or store data correctly.

Mitigation Strategies

Update affected Apple devices to iOS 27, iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, or watchOS 27 to address the out-of-bounds read vulnerability.

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