CVE-2026-20618

Undergoing Analysis Undergoing Analysis - In Progress

Improper Temporary File Handling in macOS Tahoe Allows Data Access

Publication date: 2026-02-11

Last updated on: 2026-02-18

Assigner: Apple Inc.

Description

An issue was addressed with improved handling of temporary files. This issue is fixed in macOS Tahoe 26.3. An app may be able to access user-sensitive data.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-02-11

Last Modified

2026-02-18

Generated

2026-07-06

AI Q&A

2026-02-12

EPSS Evaluated

2026-07-05

NVD

CVE-2026-20618

EUVD

EUVD-2026-6228

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	to 26.3 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-377	Creating and using insecure temporary files can leave application and system data vulnerable to attack.

Attack-Flow Graph

Executive Summary

This vulnerability involves improper handling of temporary files in macOS Tahoe. Due to this issue, an application may be able to access user-sensitive data that it should not normally have access to. The problem was addressed and fixed in macOS Tahoe version 26.3.

Impact Analysis

The vulnerability could allow an application to access sensitive user data without proper authorization. This could lead to privacy breaches or unauthorized disclosure of personal information.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

To mitigate this vulnerability, update your system to macOS Tahoe 26.3 or later, where the issue has been fixed with improved handling of temporary files.

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