CVE-2026-43688

Undergoing Analysis Undergoing Analysis - In Progress

Memory Corruption in iOS and iPadOS with File Processing

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: Apple Inc.

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27. Processing a maliciously crafted file 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

2026-10-05

AI Q&A

2026-09-15

EPSS Evaluated

2026-10-04

NVD

CVE-2026-43688

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ios	27
apple	ipad_os	27
apple	macos_golden_gate	27

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This is a memory corruption vulnerability caused by insufficient input validation. When a maliciously crafted file is processed, it can trigger unexpected app termination due to memory corruption.

Detection Guidance

This vulnerability involves memory corruption due to improper input validation when processing files. Detection may require monitoring for crashes or unexpected terminations in apps handling files, particularly after updating to iOS 27, iPadOS 27, or macOS Golden Gate 27. No specific commands are provided in the context.

Impact Analysis

This vulnerability could allow attackers to crash applications unexpectedly by providing specially crafted files. It may lead to denial of service conditions where apps terminate abnormally.

Compliance Impact

The provided CVE data does not specify any direct impact on compliance with standards like GDPR or HIPAA. The vulnerability involves memory corruption due to insufficient input validation, which could lead to app termination but lacks details on data exposure or regulatory implications.

Mitigation Strategies

Update affected systems to iOS 27, iPadOS 27, or macOS Golden Gate 27 to address the memory corruption issue. Avoid processing untrusted files until the update is applied.

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