What is CVE-2026-43698?

CVE-2026-43698 is a high-severity vulnerability in Apple macOS, classified under Argument Injection. CVSS score: 7.8/10. Published 2026-07-27.

How severe is CVE-2026-43698?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Apple macOS

CVE-2026-43698

An injection issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. An app may be able to gain root privileges.

EPSS: 0.002 (10.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apple Macos — versions 0

Weakness classification (CWE)

CWE-88 — Argument Injection

References

product-security@apple.com (Release Notes, Vendor Advisory)
product-security@apple.com (Release Notes, Vendor Advisory)
product-security@apple.com (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2026-43698?: CVE-2026-43698 is a high-severity vulnerability in Apple macOS, classified under Argument Injection. CVSS score: 7.8/10. Published 2026-07-27.
How severe is CVE-2026-43698?: High severity. CVSS v3 base score is 7.8 out of 10.