CVE-2026-28954
HIGHiOS and iPadOS < 18.7.9 and macOS < 14.8.7, < 15.7.7, < 26.5 - File Quarantine Bypass via Malicious Disk Image
Title source: llmDescription
A file quarantine bypass was addressed with additional 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. A maliciously crafted disk image may bypass Gatekeeper checks.
References (4)
Core 4
Scores
CVSS v3
7.5
EPSS
0.0004
EPSS Percentile
13.4%
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-290
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