Apple iOS 26.7.1 OOB Write Arbitrary Code Exec
CVE-2026-86950 Published on September 28, 2026
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.
Vulnerability Analysis
CVE-2026-86950 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2026-86950 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2026-86950
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Affected Versions
Apple iOS and iPadOS:- Before 26.7.1 is affected.
- Before 15.8.1 is affected.
- Before 26.7.1 is affected.