CVE-2026-28900

Published Jul 27, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
A file quarantine bypass was addressed with additional checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5. A maliciously crafted ZIP archive may bypass Gatekeeper checks.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Gatekeeper Quarantine Bypass via Malicious ZIP Archive in macOS
Type Values Removed Values Added
Description A file quarantine bypass was addressed with additional checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. A maliciously crafted ZIP archive may bypass Gatekeeper checks. A file quarantine bypass was addressed with additional checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5. A maliciously crafted ZIP archive may bypass Gatekeeper checks.
References
Type Values Removed Values Added
Title Gatekeeper Quarantine Bypass via Malicious ZIP Archive in macOS
Type Values Removed Values Added
Title File Quarantine Bypass via Malicious ZIP in macOS Gatekeeper
Weaknesses CWE-284
Type Values Removed Values Added
Title File Quarantine Bypass via Malicious ZIP in macOS Gatekeeper
Weaknesses CWE-284
CWE-290
CWE-693
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description A file quarantine bypass was addressed with additional checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. A maliciously crafted ZIP archive may bypass Gatekeeper checks.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Aug 25, 2026, 7:24 PM
Reserved
Mar 3, 2026, 4:36 PM
Status
Modified
Published
Jul 27, 2026, 9:16 PM
Modified
Oct 24, 2026, 1:10 PM