CVE-2026-20700

A memory corruption issue was addressed with improved state management. 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 attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

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://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20700	US Government Resource

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

No history.

Information

Published : 2026-02-11 23:16

Updated : 2026-03-25 17:39

NVD link : CVE-2026-20700

Mitre link : CVE-2026-20700

CVE.ORG link : CVE-2026-20700

JSON object : View

Products Affected

apple

watchos
macos
ipados
visionos
iphone_os
tvos

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

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