CVE-2026-86950
CVSS Score
8.8
EPSS Score
26.2%
EPSS Percentile
98th
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.
| Vendor | apple |
| Product | ios and ipados |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 28, 2026 |
| Last Updated | Oct 26, 2026 |
⚠️ Actively Exploited — Act Now
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Affected Versions
Apple / iOS and iPadOS
0 < 18.7.11 0 < 26.7.1
Apple / macOS
0 < 15.8.1 0 < 26.7.1
References
support.apple.com: https://support.apple.com/en-us/149225 support.apple.com: https://support.apple.com/en-us/149226 support.apple.com: https://support.apple.com/en-us/149228 support.apple.com: https://support.apple.com/en-us/149229 cisa.gov: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-86950 seclists.org: http://seclists.org/fulldisclosure/2026/Sep/89 seclists.org: http://seclists.org/fulldisclosure/2026/Sep/90 seclists.org: http://seclists.org/fulldisclosure/2026/Sep/91