How severe is CVE-2025-43459?

CVE-2025-43459 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-43459 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-43459?

CVE-2025-43459 affects Apple Watchos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-43459?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-43459 have an EU (EUVD) identifier?

Yes. CVE-2025-43459 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37643.

When was CVE-2025-43459 published?

CVE-2025-43459 was published on 2025-11-04 and last updated on 2026-06-17.

CVE-2025-43459

CVE-2025-43459 is a medium-severity vulnerability in Apple Watchos with a CVSS 3.x base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-863.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37643
Weakness: CWE-863
Affected product: Apple Watchos
Published: 2025-11-04
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-43459?: 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.
How severe is CVE-2025-43459?: CVE-2025-43459 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-43459 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-43459?: CVE-2025-43459 affects Apple Watchos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-43459?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-43459 have an EU (EUVD) identifier?: Yes. CVE-2025-43459 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37643.
When was CVE-2025-43459 published?: CVE-2025-43459 was published on 2025-11-04 and last updated on 2026-06-17.

References

https://support.apple.com/en-us/125639

Affected products (1)

cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

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