CVE-2026-20654

State: Published
Severity: 5.5 Medium
Published: Feb 11, 2026
Updated: Apr 2, 2026
Reserved: Nov 11, 2025

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. 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-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected Products

Product	Versions
iOS and iPadOSApple	before 26.3Affected
macOSApple	before 26.3Affected
tvOSApple	before 26.3Affected
visionOSApple	before 26.3Affected
watchOSApple	before 26.3Affected

References

https://support.apple.com/en-us/126346
https://support.apple.com/en-us/126348
https://support.apple.com/en-us/126351
https://support.apple.com/en-us/126352
https://support.apple.com/en-us/126353

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