Description
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote user may be able to cause unexpected system termination or corrupt kernel memory.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | macOS | < 14.8.8, < 15.7.8, < 26.6 | 14.8.8 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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petermalone/CVE-2026-43682 ★ 14 · Sep 26, 2026
CVE-2026-43682: HFS+ B-tree kernel heap overflow in macOS
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- WID-SEC-2026-2543 Apple macOS (Tahoe, Sonoma und Sequoia): Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 14, 2026
- NCSC-2026-0267 Kwetsbaarheden verholpen in Apple MacOS NCSC-NL (Netherlands) · Jul 28, 2026