CVE-2026-43703

Analyzed Analyzed - Analysis Complete

Memory Corruption in iOS, iPadOS, and macOS Tahoe

Publication date: 2026-06-29

Last updated on: 2026-06-30

Assigner: Apple Inc.

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may lead to an unexpected process crash.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-06-29

Last Modified

2026-06-30

Generated

2026-07-20

AI Q&A

2026-06-29

EPSS Evaluated

2026-07-19

NVD

CVE-2026-43703

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ipados	to 26.5.2 (exc)
apple	iphone_os	to 26.5.2 (exc)
apple	macos	to 26.5.2 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.
CWE-787	The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability involves improper memory handling when processing maliciously crafted web content. Exploiting this issue may cause an unexpected process crash on affected Apple operating systems.

Impact Analysis

The impact of this vulnerability is that processing specially crafted web content could cause an application or process to crash unexpectedly, potentially disrupting normal device operation.

Compliance Impact

The vulnerability involves processing maliciously crafted web content that may lead to an unexpected process crash, with no impact on confidentiality or integrity.

Since the issue does not affect data confidentiality or integrity, it is unlikely to directly impact compliance with standards such as GDPR or HIPAA, which focus on protecting personal and sensitive data.

Mitigation Strategies

To mitigate this vulnerability, update your devices to the fixed versions: iOS 26.5.2, iPadOS 26.5.2, or macOS Tahoe 26.5.2.

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