CVE-2025-43459: Input Validation

Published Nov 3, 2025
·
Updated

An authentication issue was addressed with improved state management. This issue is fixed in watchOS 26.1. An attacker with physical access to a locked Apple Watch may be able to view Live Voicemail.

Other sources

Apple Account. A privacy issue was addressed with improved checks.

— Apple

Apple Neural Engine. The issue was addressed with improved memory handling.

— Apple

AppleMobileFileIntegrity. This issue was addressed with improved validation of symlinks.

— Apple

CloudKit. This issue was addressed with improved validation of symlinks.

— Apple

CoreServices. A permissions issue was addressed with additional restrictions.

— Apple

Credit

Ron Masas(BreakPoint), Pinak Oza, an anonymous researcher, Gergely Kalman@@gergely_kalman, Hikerell (Loadshine Lab), Zhongcheng Li(IES Red Team of ByteDance), Hossein Lotfi@@hosselot(Trend Micro Zero Day Initiative), iisBuri, Apple, Cristian Dinca (icmd.tech), Dave G.(supernetworks), Alex Radocea(supernetworks), Taavi Eomäe(Zone Media), Romain Lebesle(Khatima), Himanshu Bharti@@Xpl0itme(Khatima), Dalibor Milanovic, @@RenwaX23, Stanislav Jelezoglo, Aleksejs Popovs, Phil Beauvoir, Google Big Sleep, Nan Wang@@eternalsakura13, rheza@@ginggilBesel(Trend Micro Zero Day Initiative), shandikri(Trend Micro Zero Day Initiative), Gary Kwong(Trend Micro Zero Day Initiative), Justin Cohen(Google), Tom Van Goethem

Affected Software

2 affected componentsFixes available
Apple WatchOS<26.1
26.1
Apple WatchOS<26.1

Event History

Nov 3, 2025
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Nov 4, 2025
CVE Published
via MITRE·01:16 AM
Data Sourced
via MITRE·01:16 AM
DescriptionWeakness
Data Sourced
via NVD·02:15 AM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2025-43459?

CVE-2025-43459 is classified as a significant authentication issue that could lead to unauthorized access to sensitive information on locked Apple Watches.

2

How do I fix CVE-2025-43459?

To mitigate CVE-2025-43459, update your Apple Watch to watchOS version 26.1 or later.

3

Who is affected by CVE-2025-43459?

Users of Apple Watch running watchOS versions earlier than 26.1 are affected by CVE-2025-43459.

4

What kind of access does CVE-2025-43459 allow?

CVE-2025-43459 may allow an attacker with physical access to view Live Voicemail on a locked Apple Watch.

5

What improvements are made in the fix for CVE-2025-43459?

The fix for CVE-2025-43459 includes improved state management and enhanced privacy checks.

Company

Resources

Contact

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