CVE-2026-20637

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to cause unexpected system termination.

CVSS v3 6.2 MEDIUM

6.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

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
https://support.apple.com/en-us/126793	Release Notes Vendor Advisory
https://support.apple.com/en-us/126795	Release Notes Vendor Advisory
https://support.apple.com/en-us/126796	Release Notes Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:macos::::::::
	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

No history.

Information

Published : 2026-03-25 01:17

Updated : 2026-03-25 20:51

NVD link : CVE-2026-20637

Mitre link : CVE-2026-20637

CVE.ORG link : CVE-2026-20637

JSON object : View

Products Affected

apple

watchos
macos
ipados
visionos
iphone_os
tvos

CWE

CWE-416

Use After Free

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