CVE-2026-28929

Mail Logic Flaw Allows Remote Images During Replies in Lockdown Mode

Published May 11, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
A logic issue was addressed with improved checks. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Replying to an email could display remote images in Mail in Lockdown Mode.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Mail Logic Flaw Allows Remote Images During Replies in Lockdown Mode
Type Values Removed Values Added
First Time appeared Apple ipados
Apple iphone Os
CPEs cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Vendors & Products Apple ipados
Apple iphone Os
Type Values Removed Values Added
Title Mail Remote Image Display in Lockdown Mode via Email Reply Logic Issue
Weaknesses CWE-275
Type Values Removed Values Added
Weaknesses CWE-1254
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Mail Remote Image Display in Lockdown Mode via Email Reply Logic Issue
Weaknesses CWE-275
Type Values Removed Values Added
First Time appeared Apple
Apple ios And Ipados
Apple macos
Vendors & Products Apple
Apple ios And Ipados
Apple macos
Type Values Removed Values Added
Description A logic issue was addressed with improved checks. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Replying to an email could display remote images in Mail in Lockdown Mode.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
May 12, 2026, 1:45 PM
Reserved
Mar 3, 2026, 4:36 PM
Status
Analyzed
Published
May 11, 2026, 9:18 PM
Modified
Oct 26, 2026, 6:10 PM