CVE-2026-84527

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Improper Data Redaction in Apple iOS and macOS

Publication date: 2026-09-14

Last updated on: 2026-09-18

Assigner: Apple Inc.

Description

A logging issue was addressed with improved data redaction. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An app may be able to access sensitive user data.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-14

Last Modified

2026-09-18

Generated

2026-10-05

AI Q&A

2026-09-15

EPSS Evaluated

2026-10-03

NVD

CVE-2026-84527

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	From 15.0 (inc) to 15.8 (exc)
apple	macos	From 26.0 (inc) to 26.7 (exc)
apple	ipados	to 27.0 (exc)
apple	iphone_os	to 27.0 (exc)
apple	visionos	to 27.0 (exc)
apple	watchos	to 27.0 (exc)
apple	tvos	to 27.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability involves a logging issue where sensitive user data was not properly redacted. It was fixed in multiple Apple operating systems including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS versions 27 or later.

Detection Guidance

This vulnerability is related to data redaction in Apple operating systems. Detection primarily involves checking if your devices are running the patched versions of iOS, iPadOS, macOS, tvOS, visionOS, or watchOS. No specific commands are provided in the context to detect this issue directly.

Impact Analysis

An app could potentially access sensitive user data through logs that were not properly redacted. This could lead to unauthorized exposure of personal information if exploited by malicious apps.

Compliance Impact

The vulnerability involves an app potentially accessing sensitive user data due to insufficient data redaction in logs. This could lead to unauthorized exposure of personal information, which may violate GDPR's data protection principles and HIPAA's requirements for safeguarding protected health information.

Mitigation Strategies

Update affected Apple devices to the latest versions mentioned (iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27) to address the logging issue and prevent sensitive data exposure.

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