How severe is CVE-2025-43193?

CVE-2025-43193 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-43193 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-43193?

CVE-2025-43193 affects Apple Macos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-43193?

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

Does CVE-2025-43193 have an EU (EUVD) identifier?

Yes. CVE-2025-43193 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23101.

When was CVE-2025-43193 published?

CVE-2025-43193 was published on 2025-07-30 and last updated on 2026-06-17.

CVE-2025-43193

CVE-2025-43193 is a critical-severity vulnerability in Apple Macos with a CVSS 3.x base score of 9.8. 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-400.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-23101
Weakness: CWE-400
Affected product: Apple Macos
Published: 2025-07-30
Last modified: 2026-06-17

Description

The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. An app may be able to cause a denial-of-service.

Frequently asked questions

What is CVE-2025-43193?: The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7. An app may be able to cause a denial-of-service.
How severe is CVE-2025-43193?: CVE-2025-43193 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-43193 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-43193?: CVE-2025-43193 affects Apple Macos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-43193?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-43193 have an EU (EUVD) identifier?: Yes. CVE-2025-43193 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23101.
When was CVE-2025-43193 published?: CVE-2025-43193 was published on 2025-07-30 and last updated on 2026-06-17.

References

Affected products (1)

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

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