CVE-2026-20654

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-20654
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.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://support.apple.com/en-us/126346 Release Notes Vendor Advisory
https://support.apple.com/en-us/126348 Release Notes Vendor Advisory
https://support.apple.com/en-us/126351 Release Notes Vendor Advisory
https://support.apple.com/en-us/126352 Release Notes Vendor Advisory
https://support.apple.com/en-us/126353 Release Notes Vendor Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
History

02 Apr 2026, 19:21

Type Values Removed Values Added
Summary
  • (es) El problema se abordó con una gestión mejorada de la memoria. Este problema se corrigió en watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 y iPadOS 26.3. Una aplicación podría causar una terminación inesperada del sistema.
Summary (en) The issue was addressed with improved memory handling. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An app may be able to cause unexpected system termination. (en) 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.

18 Feb 2026, 15:18

Type Values Removed Values Added
CWE CWE-119

13 Feb 2026, 14:45

Type Values Removed Values Added
References () https://support.apple.com/en-us/126346 - () https://support.apple.com/en-us/126346 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/126348 - () https://support.apple.com/en-us/126348 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/126351 - () https://support.apple.com/en-us/126351 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/126352 - () https://support.apple.com/en-us/126352 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/126353 - () https://support.apple.com/en-us/126353 - Release Notes, Vendor Advisory
CWE NVD-CWE-noinfo
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CPE cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
First Time Apple watchos
Apple tvos
Apple iphone Os
Apple visionos
Apple ipados
Apple
Apple macos

11 Feb 2026, 23:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-02-11 23:16

Updated : 2026-04-02 19:21

NVD link : CVE-2026-20654

Mitre link : CVE-2026-20654

CVE.ORG link : CVE-2026-20654

JSON object : View

Products Affected

apple

  • watchos
  • iphone_os
  • visionos
  • tvos
  • ipados
  • macos
CWE
NVD-CWE-noinfo CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer