CVE-2026-28933

Use-After-Free Causing macOS System Crash

Published Sep 14, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.

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 Use-After-Free Causing macOS System Crash
Type Values Removed Values Added
Title Use‑After‑Free Allowing Unexpected System Termination in macOS
Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics cvssV3_1

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

ssvc

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

Type Values Removed Values Added
Title Use‑After‑Free Allowing Unexpected System Termination in macOS
Weaknesses CWE-416
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First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Sep 15, 2026, 4:40 PM
Reserved
Mar 3, 2026, 4:36 PM
Status
Analyzed
Published
Sep 14, 2026, 9:17 PM
Modified
Sep 15, 2026, 7:26 PM