What is CVE-2025-43236?

CVE-2025-43236 is a low-severity vulnerability in Apple macOS, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 3.3/10. Published 2026-04-02.

How severe is CVE-2025-43236?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in Apple macOS

CVE-2025-43236

A type confusion 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 attacker may be able to cause unexpected app termination.

Published 2026-04-02 · last modified 2026-07-24.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.002 (9.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Apple macOS — versions 0

Weakness classification (CWE)

CWE-843 — Access of Resource Using Incompatible Type (Type Confusion)

References

support.apple.com/en-us/124149 (Release Notes, Vendor Advisory)
support.apple.com/en-us/124150 (Release Notes, Vendor Advisory)
support.apple.com/en-us/124151 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2025-43236?: CVE-2025-43236 is a low-severity vulnerability in Apple macOS, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 3.3/10. Published 2026-04-02.
How severe is CVE-2025-43236?: Low severity. CVSS v3 base score is 3.3 out of 10.