CVE-2026-86950

No fix known ExploitedEPSS 26%CVSS 8.8

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.

Published 2026-09-28 · In CISA KEV since 2026-09-29 · CVE record · OSV

Products: Apple iOS and iPadOS, Apple macOS