CVE-2026-43821
Received Received - Intake

Sandbox Escape in Apple Safari and iOS

Vulnerability report for CVE-2026-43821, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-07-27

Last updated on: 2026-07-27

Assigner: Apple Inc.

Description

An access issue was addressed with improved access restrictions. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to read files outside of its sandbox.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-07-27
Last Modified
2026-07-27
Generated
2026-07-28
AI Q&A
2026-07-28
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 7 associated CPEs
Vendor Product Version / Range
apple safari 26.6
apple ios 26.6
apple ipados 26.6
apple macos_tahoe 26.6
apple tvos 26.6
apple visionos 26.6
apple watchos 26.6

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability is an access issue where an app may be able to read files outside of its sandbox due to insufficient access restrictions. It was addressed in multiple Apple operating systems and Safari versions.

Impact Analysis

An attacker could exploit this to access sensitive files on your device that should be restricted. This could lead to unauthorized data exposure or privacy breaches if malicious apps are installed.

Compliance Impact

This vulnerability could lead to unauthorized data access, potentially violating GDPR (data protection) or HIPAA (health information privacy) by exposing sensitive user data.

Mitigation Strategies

Update affected Apple products to the latest versions: Safari 26.6, iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, or watchOS 26.6. This addresses the access issue by applying improved restrictions.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-43821. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart