CVE-2026-86950
KEVApple Multiple Products Out-of-Bounds Write Vulnerability
8.8
HighPublished:
Last updated:
Source:product-security@apple.com
Analyzed
Weakness (CWE)
CVSS Vector
v3.1- Attack Vector
- Network
- Attack Complexity
- Low
- Privileges Required
- None
- User Interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Description
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.
References
product-security@apple.com
https://support.apple.com/en-us/149226product-security@apple.com
https://support.apple.com/en-us/149228product-security@apple.com
https://support.apple.com/en-us/149229af854a3a-2127-422b-91ae-364da2661108
http://seclists.org/fulldisclosure/2026/Sep/89af854a3a-2127-422b-91ae-364da2661108
http://seclists.org/fulldisclosure/2026/Sep/90af854a3a-2127-422b-91ae-364da2661108
http://seclists.org/fulldisclosure/2026/Sep/91134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-86950