Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.11 and iPadOS 18.7.11, 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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Apple iOS and iPadOS
0 to < 18.7.11affected0 to < 26.7.1affected
Apple macOS
0 to < 15.8.1affected0 to < 26.7.1affected
References
- https://support.apple.com/en-us/149225 ↗
- https://support.apple.com/en-us/149226 ↗
- https://support.apple.com/en-us/149228 ↗
- https://support.apple.com/en-us/149229 ↗
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-86950 ↗
- http://seclists.org/fulldisclosure/2026/Sep/89 ↗
- http://seclists.org/fulldisclosure/2026/Sep/90 ↗
- http://seclists.org/fulldisclosure/2026/Sep/91 ↗