What is CVE-2026-28825?

CVE-2026-28825 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Write. CVSS score: 7.1/10. Published 2026-03-25.

How severe is CVE-2026-28825?

High severity. CVSS v3 base score is 7.1 out of 10.

Buffer overflow in Apple macOS

CVE-2026-28825

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to modify protected parts of the file system.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (29.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H.

Affected products

Apple Macos — versions 0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

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)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-28825?: CVE-2026-28825 is a high-severity vulnerability in Apple macOS, classified under Out-of-bounds Write. CVSS score: 7.1/10. Published 2026-03-25.
How severe is CVE-2026-28825?: High severity. CVSS v3 base score is 7.1 out of 10.