CVE-2026-28929: Replying to an email could display remote images in Mail in Lockdown Mode in Apple iOS and iPadOS
CVE-2026-28929 is a logic issue in Apple Mail on iOS and iPadOS that could cause remote images to be displayed when replying to an email while in Lockdown Mode. This behavior bypasses the intended restrictions of Lockdown Mode. Apple has fixed this issue in iOS 18. 7. 9, iPadOS 18. 7. 9, and several macOS versions. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability involves a logic flaw in Apple Mail on iOS and iPadOS devices that allows remote images to be displayed when a user replies to an email while Lockdown Mode is enabled. Lockdown Mode is designed to restrict certain content to enhance security, and this issue undermines that protection by improperly allowing remote image loading. The issue has been addressed with improved checks and fixed in iOS 18.7.9, iPadOS 18.7.9, and macOS Sequoia 15.7.7, Sonoma 14.8.7, and Tahoe 26.5.
Potential Impact
The impact is that remote images, which are typically blocked in Lockdown Mode to prevent tracking or malicious content, could be displayed when replying to emails. This could potentially expose users to privacy risks or unwanted content loading despite Lockdown Mode protections. There are no reports of active exploitation.
Mitigation Recommendations
A fix is available in iOS 18.7.9, iPadOS 18.7.9, and the specified macOS versions. Users and administrators should apply these updates to ensure the vulnerability is remediated. Since this is a client-side issue, updating the affected devices is the recommended mitigation.
CVE-2026-28929: Replying to an email could display remote images in Mail in Lockdown Mode in Apple iOS and iPadOS
Description
CVE-2026-28929 is a logic issue in Apple Mail on iOS and iPadOS that could cause remote images to be displayed when replying to an email while in Lockdown Mode. This behavior bypasses the intended restrictions of Lockdown Mode. Apple has fixed this issue in iOS 18. 7. 9, iPadOS 18. 7. 9, and several macOS versions. There are no known exploits in the wild at this time.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a logic flaw in Apple Mail on iOS and iPadOS devices that allows remote images to be displayed when a user replies to an email while Lockdown Mode is enabled. Lockdown Mode is designed to restrict certain content to enhance security, and this issue undermines that protection by improperly allowing remote image loading. The issue has been addressed with improved checks and fixed in iOS 18.7.9, iPadOS 18.7.9, and macOS Sequoia 15.7.7, Sonoma 14.8.7, and Tahoe 26.5.
Potential Impact
The impact is that remote images, which are typically blocked in Lockdown Mode to prevent tracking or malicious content, could be displayed when replying to emails. This could potentially expose users to privacy risks or unwanted content loading despite Lockdown Mode protections. There are no reports of active exploitation.
Mitigation Recommendations
A fix is available in iOS 18.7.9, iPadOS 18.7.9, and the specified macOS versions. Users and administrators should apply these updates to ensure the vulnerability is remediated. Since this is a client-side issue, updating the affected devices is the recommended mitigation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-03-03T16:36:03.987Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a028755cbff5d86108b592b
Added to database: 5/12/2026, 1:50:13 AM
Last enriched: 5/12/2026, 1:59:33 AM
Last updated: 5/12/2026, 3:52:39 AM
Views: 2
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