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 vulnerability in Apple Mail on iOS and iPadOS that could cause remote images to be displayed when replying to an email in Lockdown Mode. This behavior bypasses the intended restrictions of Lockdown Mode, potentially exposing users to unwanted remote content. The issue is addressed by improved checks in Apple software updates. A fix is available in iOS 18.7.9, iPadOS 18.7.9, and several macOS versions. The vulnerability has a high severity score of 7.5 and does not require user interaction to be exploited.
AI Analysis
Technical Summary
This vulnerability involves a logic flaw in Apple Mail on iOS and iPadOS that causes remote images to be displayed when replying to an email while Lockdown Mode is enabled. Lockdown Mode is designed to restrict potentially risky content, such as remote images, to enhance user privacy and security. The flaw allows remote images to bypass these restrictions during the reply action. Apple has fixed this issue by implementing improved checks in iOS 18.7.9, iPadOS 18.7.9, and corresponding macOS updates. The CVSS v3.1 base score is 7.5, indicating high severity, with network attack vector, low attack complexity, no privileges or user interaction required, and high confidentiality impact.
Potential Impact
The vulnerability could lead to the unintended display of remote images in Mail when replying to emails in Lockdown Mode, potentially exposing users to privacy risks such as remote content loading and tracking. Confidentiality is impacted due to the exposure of remote content that Lockdown Mode is intended to block. There is no reported impact on integrity or availability. No known exploits are currently active in the wild.
Mitigation Recommendations
Apple has released fixes for this vulnerability in iOS 18.7.9, iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, and macOS Tahoe 26.5. Users and administrators should apply these official updates to remediate the issue. Since the vulnerability is fixed in these versions, no additional mitigation steps are required beyond updating to the patched software versions.
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 vulnerability in Apple Mail on iOS and iPadOS that could cause remote images to be displayed when replying to an email in Lockdown Mode. This behavior bypasses the intended restrictions of Lockdown Mode, potentially exposing users to unwanted remote content. The issue is addressed by improved checks in Apple software updates. A fix is available in iOS 18.7.9, iPadOS 18.7.9, and several macOS versions. The vulnerability has a high severity score of 7.5 and does not require user interaction to be exploited.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a logic flaw in Apple Mail on iOS and iPadOS that causes remote images to be displayed when replying to an email while Lockdown Mode is enabled. Lockdown Mode is designed to restrict potentially risky content, such as remote images, to enhance user privacy and security. The flaw allows remote images to bypass these restrictions during the reply action. Apple has fixed this issue by implementing improved checks in iOS 18.7.9, iPadOS 18.7.9, and corresponding macOS updates. The CVSS v3.1 base score is 7.5, indicating high severity, with network attack vector, low attack complexity, no privileges or user interaction required, and high confidentiality impact.
Potential Impact
The vulnerability could lead to the unintended display of remote images in Mail when replying to emails in Lockdown Mode, potentially exposing users to privacy risks such as remote content loading and tracking. Confidentiality is impacted due to the exposure of remote content that Lockdown Mode is intended to block. There is no reported impact on integrity or availability. No known exploits are currently active in the wild.
Mitigation Recommendations
Apple has released fixes for this vulnerability in iOS 18.7.9, iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, and macOS Tahoe 26.5. Users and administrators should apply these official updates to remediate the issue. Since the vulnerability is fixed in these versions, no additional mitigation steps are required beyond updating to the patched software versions.
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: 05/12/2026, 01:50:13 UTC
Last enriched: 05/19/2026, 10:57:42 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 76
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