CVE-2026-20673
Modified Modified - Updated After Analysis
Logic Issue in Apple Mail Preview Affects Remote Content Loading

Publication date: 2026-02-11

Last updated on: 2026-04-02

Assigner: Apple Inc.

Description
A logic issue was addressed with improved checks. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. Turning off "Load remote content in messages” may not apply to all mail previews.
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Meta Information
Published
2026-02-11
Last Modified
2026-04-02
Generated
2026-06-16
AI Q&A
2026-02-12
EPSS Evaluated
2026-06-15
NVD
CVE-2026-20673
EUVD
EUVD-2026-5922
Affected Vendors & Products
Showing 5 associated CPEs
Vendor Product Version / Range
apple ipados to 18.7.5 (exc)
apple iphone_os to 18.7.5 (exc)
apple macos to 14.8.4 (exc)
apple macos From 15.0 (inc) to 15.7.4 (exc)
apple macos From 26.0 (inc) to 26.3 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a logic issue related to the handling of mail previews in Apple operating systems. Specifically, the setting to turn off "Load remote content in messages" may not be applied to all mail previews, potentially allowing remote content to be loaded when it should be blocked.

Impact Analysis

Because the setting to disable loading remote content in messages may not apply to all mail previews, an attacker could potentially cause remote content to be loaded without the user's consent. This could lead to privacy issues, such as tracking or exposure to malicious content.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

To mitigate this vulnerability, update your Apple devices to the fixed versions: macOS Sequoia 15.7.4, iOS 18.7.5, iPadOS 18.7.5, macOS Tahoe 26.3, or macOS Sonoma 14.8.4.

Note that turning off "Load remote content in messages" may not apply to all mail previews, so relying solely on this setting is not sufficient.

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