Description
The issue was addressed with improved memory handling. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. An attacker may be able to cause unexpected system termination or read kernel memory.
Affected products
apple: macos
References7
- support.apple.com/en-us/128071 Release NotesVendor Advisory
- support.apple.com/en-us/128072 Release NotesVendor Advisory
- support.apple.com/en-us/126792
- support.apple.com/en-us/126794
- support.apple.com/en-us/126797
- support.apple.com/en-us/126798
- support.apple.com/en-us/126799
Metrics
- CVSS 3.1
-
7.7
HIGH
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H - EPSS — exploit probability
- 0% percentile: 8 · as of 13 November 2026
- CWE
- CWE-119
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.