Description
An integer overflow was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to cause unexpected system termination.
Affected products
apple: ipados; apple: iphone os; apple: macos
References4
- support.apple.com/en-us/127111 Release NotesVendor Advisory
- support.apple.com/en-us/127115 Release NotesVendor Advisory
- support.apple.com/en-us/127116 Release NotesVendor Advisory
- support.apple.com/en-us/127117 Release NotesVendor Advisory
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 1% percentile: 57 · as of 14 November 2026
- CWE
- CWE-190
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.