CVE-2026-86953

State: Published
Severity: 4.6 Medium
Published: Oct 20, 2026
Updated: Oct 26, 2026
Reserved: Sep 8, 2026

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, tvOS 27, visionOS 27, watchOS 27. An attacker in physical proximity may be able to cause a denial-of-service.

Scores

CVSS	Score	Vector	Source
3.1	4.6 Medium	CVSS:3.1/AV:P/AC:L/PR:N/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 27Affected
macOSApple	before 27Affected
tvOSApple	before 27Affected
visionOSApple	before 27Affected
watchOSApple	before 27Affected

References

https://support.apple.com/en-us/149034
https://support.apple.com/en-us/149035
https://support.apple.com/en-us/149036
https://support.apple.com/en-us/149037
https://support.apple.com/en-us/149038

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