CVE-2026-43815

A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Connecting to a malicious afpfs server may lead to kernel memory corruption.

• CWE-787
• CWE-787

• https://support.apple.com/en-us/128067Release Notes, Vendor Advisory
• https://support.apple.com/en-us/128071Release Notes, Vendor Advisory
• https://support.apple.com/en-us/128072Release Notes, Vendor Advisory

Published

Sep 14, 2026

Last Modified

Sep 18, 2026

Status

Modified

• 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-2026-43809An out-of-bounds read was addressed with improved bounds che…9.8
• CVE-2026-43810The issue was addressed with improved memory handling. This …9.8
• CVE-2026-43811A race condition was addressed with improved checks. This is…4.7
• CVE-2026-43812A use after free issue was addressed with improved memory ma…9.8
• CVE-2026-43813A validation issue was addressed with improved input sanitiz…7.1
• CVE-2026-43814A use after free issue was addressed with improved memory ma…9.8
• CVE-2026-43816An out-of-bounds write issue was addressed with improved bou…5.5
• CVE-2026-43817An out-of-bounds read was addressed with improved bounds che…5.5
• CVE-2026-43818An integer overflow was addressed with improved input valida…8.8
• CVE-2026-43819An access issue was addressed with additional sandbox restri…5.5
• CVE-2026-43820NIOSSLCertificate._subjectAlternativeNames provides access t…7.7
• CVE-2026-43821An access issue was addressed with improved access restricti…6.5