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
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-86950 ↗
- support.apple.com/en-us/149226 ↗
- support.apple.com/en-us/149228 ↗
- support.apple.com/en-us/149229 ↗
- seclists.org/fulldisclosure/2026/Sep/89 ↗
- seclists.org/fulldisclosure/2026/Sep/90 ↗
- seclists.org/fulldisclosure/2026/Sep/91 ↗
- www.cisa.gov/known-exploited-vulnerabilities-catalog ↗
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.