CVE intelligence

CVE-2026-86950

Vulnerability intelligence

Published Sep 28, 2026Sources checked Sep 29, 2026

8.8HIGHCVSS out of 10

What this means

Possible exploitation: prioritize review

Apple Security Releases reports possible exploitation; the report does not confirm it. This is separate from CISA KEV membership.

Public exploit: Not collected. Review the linked vendor advisory and apply the mitigation or fixed release for your affected product.

Apple Security Releases: Possible exploitation reported by Apple Security Releases (2026-09-28)
Apple Security Releases: Possible exploitation reported by Apple Security Releases (2026-09-28)
Apple Security Releases: Possible exploitation reported by Apple Security Releases (2026-09-28)
The Hacker News: Possible exploitation reported by The Hacker News (2026-09-28)

CISA KEVNot listedBased on the latest collected catalog

EPSSUnavailableNo current score collected

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-86950?

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.