CVE-2026-43677

An out-of-bounds write issue was addressed by removing the vulnerable code. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious WebDAV server may lead to unexpected app termination.

• CWE-787

• 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 15, 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-2026-43670A Content Security Policy bypass was addressed with improved…8.8
• CVE-2026-43671### Summary A program using swift-nio is vulnerable to a po…8.3
• CVE-2026-43672An authorization issue was addressed with improved state man…7.1
• CVE-2026-43673The issue was addressed with improved memory handling. This …7.8
• CVE-2026-43674An authentication issue was addressed with improved state ma…4.6
• CVE-2026-43676An out-of-bounds access issue was addressed with improved bo…6.5
• CVE-2026-43678An unauthenticated remote peer can crash any NIOWebSocket-ba…5.3
• CVE-2026-43679This issue was addressed with improved permissions checking.…2.4
• CVE-2026-4368Race Condition in NetScaler ADC and NetScaler Gateway when a…7.7
• CVE-2026-43680A Remote Code Execution vulnerability in Claris FileMaker Cl…7.2
• CVE-2026-43681A buffer overflow was addressed with improved bounds checkin…7.1
• CVE-2026-43682The issue was addressed with improved memory handling. This …9.8