Is CVE-2025-43237 being actively exploited?

CVE-2025-43237 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2025-43237?

CVE-2025-43237 has a CVSS 3.1 base score of 9.8 (CRITICAL).

CVE-2025-43237

CRITICAL · CVSS 9.8EPSS 0.5%EU EUVD

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.6. An app may be able to cause unexpected system termination.

Key facts

CVSS score: 9.8 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-787
EPSS score: 0.5% (44th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2025-23072)
Published: July 30, 2025
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2025-23072 in the EU Vulnerability Database. Last updated in EUVD on April 2, 2026.

View on the EU Vulnerability Database

Affected products

apple / macos

Certified products that may be affected

18 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Apple macOS 15 Sequoia - Apple Inc. - Common Criteria CCEVS-VR-VID-11648-2026 - active
Strong Customer Authentication for Apple Pay on MacBook Air 2024 with M3running macOS Sequoia 15.4 - Apple Inc. - Common Criteria 2025-11-INF-4674 - active
Apple macOS 14 Sonoma - Apple Inc. - Common Criteria CCEVS-VR-VID-11584-2025 - active
Strong Customer Authentication for Apple Pay on Mac mini with M4 running macOS Sequoia 15.4, paired with Magic keyboard with Touch ID(macOS Sequoia 15.4 (build 24E248)) (ANSSI-CC-2025/36) - Apple Inc. - Common Criteria ANSSI-CC-2025/36 - active
Strong Customer Authentication for Apple Pay on MacBookAir 2024 with M3 running macOS Sonoma 14.4 - Apple Inc. - Common Criteria 2024-11-INF-4471 - active

See all 18 in the Security Certifications Explorer.

References

http://seclists.org/fulldisclosure/2025/Jul/32
https://support.apple.com/en-us/124149(Release Notes, Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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