CVE-2026-28929

high

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

https://isc.sans.edu/diary/rss/32976

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

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

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

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

Details

Source: Mitre, NVD

Published: 2026-05-11

Updated: 2026-05-12

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

Severity: High

CVSS v3

Base Score: 7.5

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