Vulnerability Monitor

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CVE-2026-20700

A memory corruption issue was addressed with improved state management. 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 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.

Published

2026-02-11T23:16:10.670

Last Modified

2026-02-13T14:03:58.537

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

Weaknesses

Type: Secondary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	apple	ipados	< 26.3	Yes
Operating System	apple	iphone_os	< 26.3	Yes
Operating System	apple	macos	< 26.3	Yes
Operating System	apple	tvos	< 26.3	Yes
Operating System	apple	visionos	< 26.3	Yes
Operating System	apple	watchos	< 26.3	Yes

References

https://support.apple.com/en-us/126346 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/126348 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/126351 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/126352 Release Notes, Vendor Advisory ([email protected])
https://support.apple.com/en-us/126353 Release Notes, Vendor Advisory ([email protected])
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20700 US Government Resource (134c704f-9b21-4f2e-91b3-4a467353bcc0)