How severe is CVE-2025-43401?

CVE-2025-43401 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-43401 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-43401?

CVE-2025-43401 affects Apple Macos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-43401?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-43401 have an EU (EUVD) identifier?

Yes. CVE-2025-43401 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37724.

When was CVE-2025-43401 published?

CVE-2025-43401 was published on 2025-11-04 and last updated on 2026-06-17.

CVE-2025-43401

CVE-2025-43401 is a high-severity vulnerability in Apple Macos with a CVSS 3.x base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37724
Weakness: CWE-20
Affected product: Apple Macos
Published: 2025-11-04
Last modified: 2026-06-17

Description

A denial-of-service issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1. A remote attacker may be able to cause a denial-of-service.

Frequently asked questions

What is CVE-2025-43401?: A denial-of-service issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, macOS Tahoe 26.1. A remote attacker may be able to cause a denial-of-service.
How severe is CVE-2025-43401?: CVE-2025-43401 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-43401 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-43401?: CVE-2025-43401 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-43401?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-43401 have an EU (EUVD) identifier?: Yes. CVE-2025-43401 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37724.
When was CVE-2025-43401 published?: CVE-2025-43401 was published on 2025-11-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

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