Description
A logic issue was addressed with improved state management. This issue is fixed in iOS 18.7 and iPadOS 18.7, iOS 26 and iPadOS 26, macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. A UDP server socket bound to a local interface may become bound to all interfaces.
Affected products
apple: ipados; apple: iphone os; apple: macos; apple: tvos; apple: visionos; apple: watchos
References10
- support.apple.com/en-us/125108 Release NotesVendor Advisory
- support.apple.com/en-us/125109 Release NotesVendor Advisory
- support.apple.com/en-us/125111 Release NotesVendor Advisory
- support.apple.com/en-us/125112 Release NotesVendor Advisory
- support.apple.com/en-us/125114 Release NotesVendor Advisory
- support.apple.com/en-us/125115 Release NotesVendor Advisory
- support.apple.com/en-us/125116 Release NotesVendor Advisory
- support.apple.com/en-us/125110
- seclists.org/fulldisclosure/2025/Sep/49
- seclists.org/fulldisclosure/2025/Sep/53
Metrics
- CVSS 3.1
-
9.8
CRITICAL
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 1% percentile: 62 · as of 8 November 2026
- CWE
- CWE-670
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.