CVE-2026-86950
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.
Fix
Public exploits 8
- 0xBlackash/CVE-2026-86950 PoC on GitHub
- 0xredash/CVE-2026-86950 PoC on GitHub
- 34zY/CVE-2026-86950 PoC on GitHub
- DeAurity/CVE-2026-86950-POC PoC on GitHub
- decalage2/detect_CVE-2026-86950 PoC on GitHub
- java99999/CVE-2026-86950-POC PoC on GitHub
- jpdagostin0/CVE-2026-86950-POC PoC on GitHub
- msuiche/hotcell PoC on GitHub
Each line links to the index that lists it, never to exploit code. Exploit-DB's "verified" and a Metasploit rank of good or better count as verified; a PoC-in-GitHub entry is a repository's claim.
CISA KEV required action · due 2026-10-13
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Added to the catalog 2026-09-29. CISA KEV
Patch, vendor advisory and mitigation references on NVD 4
- https://support.apple.com/en-us/149225 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149226 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149228 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149229 Release Notes, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
In the news 4
- Apple Backports Fix for Exploited CoreGraphics Flaw to Older iPhones and iPads The Hacker News · 2026-10-27
- Apple Patches for October 2026, (Mon, Oct 26th) SANS Internet Storm Center · 2026-10-26
- Apple Zero-Day Vulnerability Weaponized in Targeted Attacks Dark Reading · 2026-09-29
- CISA Adds One Known Exploited Vulnerability to Catalog CISA advisories and alerts · 2026-09-29
Change history 2
- StatusModified → AnalyzedNVD modified 2026-10-27 12:29
- First seenCVSS 8.8 · in KEV · appleNVD modified 2026-10-26 21:20
Affected (CPE criteria) 3
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
References 8
- https://support.apple.com/en-us/149225 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149226 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149228 Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149229 Release Notes, Vendor Advisory
- http://seclists.org/fulldisclosure/2026/Sep/89 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2026/Sep/90 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2026/Sep/91 Mailing List, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-86950 US Government Resource