Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.11 and iPadOS 18.7.11, 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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | iOS and iPadOS | < 18.7.11, < 26.7.1 | 18.7.11 |
| Apple | macOS | < 15.8.1, < 26.7.1 | 15.8.1 |
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.
GitHub 6 repositories
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msuiche/hotcell ★ 10 · Oct 1, 2026
Runtime exploit monitor for Apple document/image pipelines (iOS/macOS) — EXPMON concept: Frida agent + behavioral rules. First target: the CVE-2026-86950 glyph chain.
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decalage2/detect_CVE-2026-86950 ★ 6 · Oct 2, 2026
A python tool to detect PDF files exploiting CVE-2026-86950
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34zY/CVE-2026-86950 ★ 2 · Oct 1, 2026
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jpdagostin0/CVE-2026-86950-POC ★ 1 · Oct 20, 2026
Proof of Concept for CVE-2026-86950
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ashrafzaryouh/CVE-2026-86950 ★ 1 · Oct 5, 2026
CVE-2026-86950
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java99999/CVE-2026-86950-POC ★ 1 · Oct 2, 2026
Out-of-bounds Write (CWE-787)
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 4
- WID-SEC-2026-4165 Apple iOS, iPadOS, macOS und Safari: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 2, 2026
- NCSC-2026-0456 Kwetsbaarheden verholpen in Apple iOS en iPadOS NCSC-NL (Netherlands) · Oct 27, 2026
- NCSC-2026-0397 Kwetsbaarheid verholpen in Apple CoreGraphics NCSC-NL (Netherlands) · Oct 1, 2026
- WID-SEC-2026-3609 Apple iOS, iPadOS, macOS Tahoe und Sequoia: Schwachstelle ermöglicht Codeausführung BSI CERT-Bund (WID) · Sep 28, 2026