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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.

PUBLISHED Reserved 2026-03-03 | Published 2026-05-11 | Updated 2026-05-11 | Assigner apple

Problem types

Replying to an email could display remote images in Mail in Lockdown Mode

Product status

Any version before 18.7.9
affected

Any version before 14.8.7
affected

Any version before 15.7.7
affected

Any version before 26.5
affected

References

support.apple.com/en-us/127111

support.apple.com/en-us/127115

support.apple.com/en-us/127116

support.apple.com/en-us/127117

cve.org (CVE-2026-28929)

nvd.nist.gov (CVE-2026-28929)

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