CVE-2026-28819

State: Published
Severity: 5.4 Medium
Published: May 11, 2026
Updated: May 13, 2026
Reserved: Mar 3, 2026

Description

An out-of-bounds write issue was addressed with improved bounds checking. 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 execute arbitrary code with kernel privileges.

Scores

CVSS	Score	Vector	Source
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N	CISA-ADP

Weaknesses

CWE-787 Out-of-bounds Write

Affected Products

Product	Versions
iOS and iPadOSApple	before 18.7.9Affected
macOSApple	before 14.8.7Affected before 15.7.7Affected before 26.5Affected

References

https://support.apple.com/en-us/127111
https://support.apple.com/en-us/127115
https://support.apple.com/en-us/127116
https://support.apple.com/en-us/127117

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