CVE-2026-65334
Analyzed Analyzed - Analysis Complete

Memory Corruption in Safari Web Content Processing

Vulnerability report for CVE-2026-65334, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-17

Last updated on: 2026-08-19

Assigner: Apple Inc.

Description

A memory corruption issue was addressed with improved state management. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2. Processing maliciously crafted web content may lead to an unexpected Safari crash.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-08-17
Last Modified
2026-08-19
Generated
2026-09-07
AI Q&A
2026-08-18
EPSS Evaluated
2026-09-06
NVD
EUVD

Affected Vendors & Products

Showing 6 associated CPEs
Vendor Product Version / Range
apple ipados to 18.7.10 (exc)
apple ipados From 26.0 (inc) to 26.6.1 (exc)
apple iphone_os to 18.7.10 (exc)
apple iphone_os From 26.0 (inc) to 26.6.1 (exc)
apple macos From 26.0 (inc) to 26.6.2 (exc)
apple safari to 26.6.1 (exc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
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.
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

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Executive Summary

This is a memory corruption vulnerability caused by improper state management in Apple's software. It affects iOS, iPadOS, and macOS Tahoe. The issue occurs when maliciously crafted web content is processed, potentially leading to an unexpected Safari crash.

Detection Guidance

This vulnerability is related to maliciously crafted web content causing Safari crashes. Detection primarily involves monitoring for unexpected Safari crashes or unusual memory usage patterns. Check system logs for Safari-related errors or crashes after web browsing sessions.

Impact Analysis

If exploited, this vulnerability could cause Safari to crash unexpectedly when visiting malicious websites. While it does not explicitly mention code execution, crashes could lead to denial of service or potential information exposure through abnormal app termination.

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 leading to Safari crashes, but no details are given about data exposure, unauthorized access, or other compliance-relevant consequences.

Mitigation Strategies

Update affected systems to the latest versions: iOS 18.7.10 or later, iPadOS 18.7.10 or later, iOS 26.6.1 or later, iPadOS 26.6.1 or later, and macOS Tahoe 26.6.2 or later. Avoid visiting untrusted websites until updates are applied.

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