CVE-2026-64758

Analyzed Analyzed - Analysis Complete

Buffer Overflow in Apple iOS and iPadOS

Publication date: 2026-07-27

Last updated on: 2026-07-28

Assigner: Apple Inc.

Description

The issue was addressed with improved bounds checks. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted file may lead to unexpected app termination.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-27

Last Modified

2026-07-28

Generated

2026-08-17

AI Q&A

2026-07-28

EPSS Evaluated

2026-08-15

NVD

CVE-2026-64758

EUVD

EUVD-2026-49474

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	From 26.0 (inc) to 26.6 (exc)
apple	ipados	to 26.6 (exc)
apple	iphone_os	to 26.6 (exc)
apple	tvos	to 26.6 (exc)
apple	visionos	to 26.6 (exc)
apple	watchos	to 26.6 (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 involves a bounds check issue in Apple operating systems. Processing a specially crafted file could cause an app to terminate unexpectedly. It was fixed in updates to iOS, iPadOS, macOS Tahoe, tvOS, visionOS, and watchOS versions 26.6.

Detection Guidance

This vulnerability is addressed in specific Apple OS updates. Detection involves checking if your system is running a vulnerable version before the patched releases (iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6). Use system update commands like 'softwareupdate --list' on macOS or 'Settings > General > Software Update' on iOS to verify versions.

Impact Analysis

The vulnerability could lead to unexpected app crashes when opening malicious files. This may disrupt normal use of affected devices or apps, potentially causing data loss or inconvenience.

Compliance Impact

The provided CVE data does not specify any direct impact on compliance with standards like GDPR or HIPAA. The vulnerability involves unexpected app termination due to maliciously crafted files, but no details are given about data exposure or privacy implications that would affect such regulations.

Mitigation Strategies

Update affected Apple devices to the latest versions: iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, or watchOS 26.6 to address the issue.

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