Severity by source
AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Primary rating from Vendor (apple) · only source for this CVE.
CVSS VectorVendor: apple
Lifecycle Timeline
5DescriptionCVE.org
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27, watchOS 27. A sandboxed process may be able to circumvent sandbox restrictions.
AnalysisAI
An out-of-bounds write in Apple's operating system memory handling lets a process already confined to the platform sandbox break out of those restrictions, gaining partial read and write access to data it should not reach. Affected platforms are iOS and iPadOS before 26.7/27, macOS Sequoia before 15.8, macOS Tahoe before 26.7, macOS Golden Gate before 27, visionOS before 27 and watchOS before 27. …
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Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Buffer Overflow
View allShare
External POC / Exploit Code
Leaving vuln.today
EUVD-2026-78130
GHSA-9rgh-hpwq-qxmv