Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27. An app may be able to cause unexpected system termination.
Affected products
apple: ipados; apple: iphone os; apple: macos; apple: visionos
References5
- support.apple.com/en-us/149034 Vendor Advisory
- support.apple.com/en-us/149035 Vendor Advisory
- support.apple.com/en-us/149038 Vendor Advisory
- support.apple.com/en-us/149522 Vendor Advisory
- support.apple.com/en-us/149523 Vendor Advisory
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 6 · as of 8 November 2026
- CWE
- CWE-787
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.