CVE-2026-86922

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Type Confusion in Safari with Arbitrary Code Execution

Publication date: 2026-10-20

Last updated on: 2026-10-21

Assigner: Apple Inc.

Description

A type confusion issue was addressed with improved state management. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27. Processing maliciously crafted web content may lead to arbitrary code execution.

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Meta Information

Published

2026-10-20

Last Modified

2026-10-21

Generated

2026-11-09

AI Q&A

2026-10-20

EPSS Evaluated

2026-11-07

NVD

CVE-2026-86922

EUVD

EUVD-2026-104721

Affected Vendors & Products

Vendor	Product	Version / Range
Apple	Safari	0
Apple	iOS and iPadOS	0
Apple	macOS	0
Apple	visionOS	0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-843	The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

Attack-Flow Graph

Executive Summary

A type confusion issue was addressed with improved state management. Processing maliciously crafted web content may lead to arbitrary code execution.

Detection Guidance

Detection requires checking installed versions of affected Apple products. For Safari, run softwareupdate --list on macOS or check App Store updates. For iOS/iPadOS/macOS/visionOS, check Settings > General > Software Update. If versions are below 27, the system is vulnerable.

Impact Analysis

This vulnerability could allow attackers to execute arbitrary code on your device by tricking you into visiting a specially crafted website.

Compliance Impact

The provided CVE data does not specify any direct impact on compliance with standards like GDPR or HIPAA. The vulnerability involves a type confusion issue in Safari and related Apple products, which could lead to arbitrary code execution. However, no details are given about data exposure, privacy implications, or regulatory compliance risks.

Mitigation Strategies

Update all affected Apple products to version 27 or later immediately. For Safari, update via the App Store. For iOS/iPadOS/macOS/visionOS, install updates through Settings > General > Software Update. Disable web browsing or use alternative browsers until updates are applied.

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