CVE-2026-43679: Apple WatchOS vulnerability
Published Aug 21, 2026
·Updated
This issue was addressed with improved permissions checking. This issue is fixed in watchOS 26.4. An attacker with physical access to a locked Apple Watch may be able to view user contacts.
Affected Software
1 affected component
Apple WatchOS<26.4
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 26.4
Event History
Aug 21, 2026
CVE Published
via MITRE·12:39 AM
Data Sourced
via MITRE·12:39 AM
DescriptionWeakness
Frequently Asked Questions
1
What level of access does an attacker need to exploit this issue?
The attacker needs physical access to a locked Apple Watch.
2
What information could be exposed?
An attacker may be able to view the user's contacts.
3
Which update fixes the issue?
Apple states that the issue is fixed in watchOS 26.4.