CVE-2026-28929

HIGH

iOS and iPadOS < 18.7.9 - Remote Image Display in Lockdown Mode via Mail Reply

Title source: llm

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 (4)

Core 4

Core References

https://support.apple.com/en-us/127111

https://support.apple.com/en-us/127115

https://support.apple.com/en-us/127116

https://support.apple.com/en-us/127117

Scores

CVSS v3 7.5

EPSS 0.0004

EPSS Percentile 13.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-1254

Status published

Products (7)

Apple/iOS and iPadOS < 18.7.9

apple/ipados < 18.7.9

apple/iphone_os < 18.7.9

Apple/macOS < 14.8.7

Apple/macOS < 15.7.7

Apple/macOS < 26.5

apple/macos 14.0 - 14.8.7

Published May 11, 2026

Tracked Since May 12, 2026