CVE-2026-43707

Modified Modified - Updated After Analysis

Memory Corruption in Safari with Malicious Web Content

Publication date: 2026-06-29

Last updated on: 2026-06-30

Assigner: Apple Inc.

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, 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

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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

2026-07-18

NVD

CVE-2026-43707

Affected Vendors & Products

Vendor	Product	Version / Range
apple	safari	to 26.5.2 (exc)
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-119	The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Attack-Flow Graph

Executive Summary

This vulnerability is a memory corruption issue that occurs when processing maliciously crafted web content. It was addressed by improving memory handling in affected Apple products.

If exploited, it may cause an unexpected process crash.

Impact Analysis

The impact of this vulnerability is that processing malicious web content could lead to an unexpected crash of the affected process, potentially disrupting normal operation.

Compliance Impact

The vulnerability described is a memory corruption issue that may lead to an unexpected process crash when processing maliciously crafted web content. There is no information provided about any impact on data confidentiality, integrity, or availability beyond process crashes.

Since the CVE description and available data do not mention any exposure or compromise of personal data or sensitive information, there is no direct indication that this vulnerability affects compliance with common standards and regulations such as GDPR or HIPAA.

Mitigation Strategies

To mitigate this vulnerability, update Safari, iOS, iPadOS, or macOS Tahoe to version 26.5.2 or later, as this issue is fixed in these versions.

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