CVE-2026-86953
Received Received - Intake

Out-of-Bounds Write in iOS and iPadOS

Publication date: 2026-10-20

Last updated on: 2026-10-20

Assigner: Apple Inc.

Description
An out-of-bounds write issue 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. An attacker in physical proximity may be able to cause a denial-of-service.

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Meta Information

Published
2026-10-20
Last Modified
2026-10-20
Generated
2026-10-20
AI Q&A
2026-10-20
EPSS Evaluated
N/A
NVD
CVE-2026-86953
EUVD
EUVD-2026-104730

Affected Vendors & Products

Showing 5 associated CPEs
Vendor Product Version / Range
Apple iOS and iPadOS 0
Apple macOS 0
Apple tvOS 0
Apple visionOS 0
Apple watchOS 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 write vulnerability caused by insufficient bounds checking. An attacker within physical proximity could exploit it to trigger a denial-of-service condition on affected devices.

Impact Analysis

The vulnerability may allow an attacker nearby to crash your device, causing temporary unavailability or requiring a reboot. It does not appear to enable data theft or code execution.

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 write issue.

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