A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Mounting a maliciously crafted SMB network share may lead to system termination.
History

Sun, 20 Sep 2026 22:30:00 +0000

Type Values Removed Values Added
Title Use‑After‑Free in macOS SMB Share Handling Leading to System Crash

Thu, 17 Sep 2026 11:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

Wed, 16 Sep 2026 13:00:00 +0000

Type Values Removed Values Added
Title Use‑After‑Free in SMB Share Handling Causes System Termination

Tue, 15 Sep 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

ssvc

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


Tue, 15 Sep 2026 11:15:00 +0000

Type Values Removed Values Added
Title Use‑After‑Free in SMB Share Handling Causes System Termination
Weaknesses CWE-416

Tue, 15 Sep 2026 00:00:00 +0000

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

Mon, 14 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
Description A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Mounting a maliciously crafted SMB network share may lead to system termination.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published: 2026-09-14T20:47:38.166Z

Updated: 2026-10-20T00:50:08.646Z

Reserved: 2026-05-01T22:46:21.645Z

Link: CVE-2026-43719

cve-icon Vulnrichment

Updated: 2026-09-15T17:43:51.764Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-14T21:17:09.467

Modified: 2026-09-17T11:33:23.980

Link: CVE-2026-43719

cve-icon Redhat

No data.