CVE-2026-43719 Details
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.
A use-after-free vulnerability has been identified in the SMB (Server Message Block) implementation of Apple macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7. This vulnerability arises from improper memory management, which can be exploited by mounting a maliciously crafted SMB network share, potentially leading to unexpected system termination.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Sep 15, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://support.apple.com/en-us/149035 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/149042 | [email protected] | Release NotesVendor Advisory |
| https://support.apple.com/en-us/149043 | [email protected] | Release NotesVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-416 | Use After Free | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| apple macos | >= 15.0, < 15.8 >= 26.0, < 26.7 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 17, 2026 | Initial Analysis | [email protected] |
| Sep 15, 2026 | CVE Modified | CISA-ADP |
| Sep 14, 2026 | New CVE Received | [email protected] |