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.

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History

Tue, 12 May 2026 16:45:00 +0000

Type Values Removed Values Added
Title Gatekeeper Disk Image Quarantine Bypass Allowing Execution of Malicious Binaries

Tue, 12 May 2026 15:45:00 +0000

Type Values Removed Values Added
Title Gatekeeper Quarantine Bypass via Malicious Disk Images
Weaknesses CWE-285
CWE-640

Tue, 12 May 2026 13:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-290
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'}


Mon, 11 May 2026 22:30:00 +0000

Type Values Removed Values Added
Title Gatekeeper Quarantine Bypass via Malicious Disk Images
Weaknesses CWE-285
CWE-640

Mon, 11 May 2026 22:15:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple ios And Ipados
Apple macos
Vendors & Products Apple
Apple ios And Ipados
Apple macos

Mon, 11 May 2026 20:45:00 +0000

Type Values Removed Values Added
Description 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.
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cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-05-12T13:05:06.904Z

Reserved: 2026-03-03T16:36:03.990Z

Link: CVE-2026-28954

cve-icon Vulnrichment

Updated: 2026-05-12T13:04:55.757Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-05-11T21:18:56.467

Modified: 2026-05-12T14:16:59.477

Link: CVE-2026-28954

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-12T16:30:19Z

Weaknesses