CVE-2026-64705

Published Aug 25, 2026·Updated Sep 14, 2026

NVD Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.6. An app may be able to cause unexpected system termination or write kernel memory.

Public Exploits & PoCs1 found

[POC] CVE-2026-64705 — CVE-2026-64705

Root cause + PoC for CVE-2026-64705 (macOS HFS xattr kernel heap overflow, fixed 14.8.7). Weaponized HFS+ image: unbounded bcopy loop -> kernel heap overflow -> panic on pre-fix systems; validator rejection on patched. Kext diff, mechanism, rebuild recipe.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

View on NVD Search GitHub Search Google

Get alerted for CVEs like this

Start monitoring free