CVE-2026-86950: apple ipados, apple iphone_os, apple macos

CVSS 8.8 (high) · listed as exploited by CISA since 2026-09-29 · published 2026-09-28

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 (NVD): apple ipados, apple iphone_os, apple macos

Fixed in (NVD): 18.7.11, 26.7.1, 15.8.1

Weakness: CWE-787

Source: NVD CVE-2026-86950

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
• http://seclists.org/fulldisclosure/2026/Sep/89
• http://seclists.org/fulldisclosure/2026/Sep/90
• http://seclists.org/fulldisclosure/2026/Sep/91
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-86950

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