CVE-2026-86944

State: Published
Severity: 5.5 Medium
Published: Oct 20, 2026
Updated: Oct 30, 2026
Reserved: Sep 8, 2026

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-787 Out-of-bounds Write

Affected Products

Product	Versions
iOS and iPadOSApple	before 26.7Affected
macOSApple	before 15.8Affected before 26.7Affected

References

https://support.apple.com/en-us/149041
https://support.apple.com/en-us/149042
https://support.apple.com/en-us/149043

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