CVE-2026-86973
Received Received - Intake

Out-of-Bounds Read in Safari and iOS/macOS

Publication date: 2026-10-26

Last updated on: 2026-10-26

Assigner: Apple Inc.

Description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in Safari 27.2, iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2. Processing maliciously crafted web content may lead to an unexpected process crash.

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Meta Information

Published
2026-10-26
Last Modified
2026-10-26
Generated
2026-10-27
AI Q&A
2026-10-26
EPSS Evaluated
N/A
NVD
CVE-2026-86973
EUVD
EUVD-2026-110199

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
Apple Safari 0
Apple iOS and iPadOS 0
Apple iOS and iPadOS 0
Apple macOS 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is an out-of-bounds read vulnerability caused by insufficient bounds checking. When processing maliciously crafted web content, it may lead to unexpected process crashes in affected Apple software.

Detection Guidance

This vulnerability is specific to Apple software and requires checking installed versions of Safari, iOS, iPadOS, or macOS. Use system update commands or check version numbers directly. For macOS: 'sw_vers' or 'softwareupdate --list'. For iOS/iPadOS: Check Settings > General > Software Update. For Safari: Open Safari > About Safari.

Impact Analysis

The vulnerability could cause applications to crash unexpectedly when processing malicious web content. This may disrupt normal usage of Safari, iOS, iPadOS, or macOS systems.

Mitigation Strategies

Update affected Apple products to the fixed versions: Safari 27.2, iOS/iPadOS 26.7.2 or 27.2, or macOS Golden Gate 27.2. Enable automatic updates if available. Avoid visiting untrusted websites until updates are applied.

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