CVE-2026-64789

Gatekeeper Bypass through Improper File Attribute Validation

Published Oct 26, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
This issue was addressed with improved validation of file attributes. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A malicious application 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 Bypass through Improper File Attribute Validation
Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title Apple macOS Gatekeeper Bypass via Improper File Attribute Validation
Weaknesses CWE-285
Type Values Removed Values Added
Weaknesses CWE-290
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
Title Apple macOS Gatekeeper Bypass via Improper File Attribute Validation
First Time appeared Apple
Apple macos
Weaknesses CWE-285
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description This issue was addressed with improved validation of file attributes. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. A malicious application may bypass Gatekeeper checks.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Nov 4, 2026, 1:58 PM
Reserved
Jul 20, 2026, 6:11 PM
Status
Analyzed
Published
Oct 26, 2026, 9:18 PM
Modified
Nov 4, 2026, 5:38 PM