CVE-2026-86869

Received Received - Intake

Out-of-Bounds Write in iOS and iPadOS

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, macOS Golden Gate 27. Processing a maliciously crafted image may lead to unexpected app termination.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-14

Last Modified

2026-09-14

Generated

2026-09-15

AI Q&A

2026-09-15

EPSS Evaluated

N/A

NVD

CVE-2026-86869

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ios	26.7
apple	ipad_os	26.7
apple	mac_os_golden_gate	27

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is an out-of-bounds write vulnerability caused by insufficient bounds checking when processing images. A maliciously crafted image could trigger unexpected app termination or potentially allow code execution due to memory corruption.

Detection Guidance

This vulnerability is specific to Apple devices running iOS 26.7, iPadOS 26.7, or macOS Golden Gate 27. Detection requires checking the installed OS version. Use system commands like 'sw_vers' on macOS or 'uname -a' on iOS/iPadOS to verify versions. If versions are below the patched releases, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could cause apps to crash unexpectedly when processing a specially crafted image. In severe cases, it might allow an attacker to execute arbitrary code on your device, potentially leading to data theft or further compromise.

Mitigation Strategies

Update affected Apple devices to iOS 26.7, iPadOS 26.7, or macOS Golden Gate 27 immediately. Disable automatic image processing in apps if possible. Avoid opening untrusted images until updates are applied. Monitor Apple's security advisories for further guidance.

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