An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7.1 and iPadOS 26.7.1, macOS Sequoia 15.8.1, macOS Tahoe 26.7.1. Processing a maliciously crafted file may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 27.
PoC: hotcell
Runtime exploit monitor for Apple document/image pipelines (iOS/macOS) — EXPMON concept: Frida agent + behavioral rules. First target: the CVE-2026-86950 glyph chain.
[POC] CVE-2026-86950 — CVE-2026-86950-POC
Out-of-bounds Write (CWE-787)
PoC: CVE-2026-86950
CVE-2026-86950
PoC: detect_CVE-2026-86950
A python tool to detect PDF files exploiting CVE-2026-86950
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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