CVE-2026-20654

Published: Feb 11, 2026Modified: Jun 17, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 1.8 / Impact: 3.6

Source: NVD

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.

Affected (6)

Products: Apple: Ipados, Iphone Os, Macos, Tvos, Visionos, Watchos

6 products

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Apple Ipados	Before 26.3
Apple Iphone Os	Before 26.3
Apple Macos	Before 26.3
Apple Tvos	Before 26.3
Apple Visionos	Before 26.3
Apple Watchos	Before 26.3

Related CWEs

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.