CVE-2026-43719

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.

• CWE-416

• https://support.apple.com/en-us/149035Release Notes, Vendor Advisory
• https://support.apple.com/en-us/149042Release Notes, Vendor Advisory
• https://support.apple.com/en-us/149043Release Notes, Vendor Advisory

Published

Sep 14, 2026

Last Modified

Sep 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-43713A permissions issue was addressed with additional restrictio…6.5
• CVE-2026-43714The issue was addressed with improved input sanitization. Th…5.5
• CVE-2026-43715A use-after-free issue was addressed with improved memory ma…8.8
• CVE-2026-43716The issue was addressed with improved memory handling. This …6.5
• CVE-2026-43717A use-after-free issue was addressed with improved memory ma…6.5
• CVE-2026-43718A stack overflow was addressed with improved input validatio…6.5
• CVE-2026-4372A critical remote code execution vulnerability exists in all…7.8
• CVE-2026-43720A use-after-free issue was addressed with improved memory ma…6.5
• CVE-2026-43721This issue was addressed through improved state management. …6.5
• CVE-2026-43722The issue was addressed with improved input sanitization. Th…5.5
• CVE-2026-43723A path handling issue was addressed with improved validation…7.8
• CVE-2026-43724The issue was addressed with improved input sanitization. Th…7.8