EUVD-2026-63777
GHSA-6xfq-8244-4xgg
Severity by source
AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Physical access required (AV:P); lock screen bypass needs no credentials (PR:N); only contact data exposed, no integrity or availability impact.
Primary rating from Vendor (apple).
CVSS VectorVendor: apple
Lifecycle Timeline
4DescriptionCVE.org
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.
AnalysisAI
Improper access control in Apple watchOS prior to 26.4 allows a person with physical possession of a locked Apple Watch to view the device owner's contacts without authentication. The flaw, classified as CWE-284 (Improper Access Control), stems from insufficient permissions checking on a code path accessible from the lock screen. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Physical access to a locked Apple Watch running watchOS prior to 26.4 is the sole prerequisite. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The overall real-world risk is low. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: watchOS 26.4. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
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External POC / Exploit Code
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