What is CVE-2026-28923?

CVE-2026-28923 is a high-severity vulnerability in Apple Macos, classified under Insertion of Sensitive Information into Log File. CVSS score: 8.8/10. Published 2026-05-11.

How severe is CVE-2026-28923?

High severity. CVSS v3 base score is 8.8 out of 10.

Information disclosure in Apple Macos

CVE-2026-28923

A logging issue was addressed with improved data redaction. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. A malicious app may be able to break out of its sandbox.

EPSS: 0.000 (1.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Apple Macos — versions 0

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

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-2026-28923?: CVE-2026-28923 is a high-severity vulnerability in Apple Macos, classified under Insertion of Sensitive Information into Log File. CVSS score: 8.8/10. Published 2026-05-11.
How severe is CVE-2026-28923?: High severity. CVSS v3 base score is 8.8 out of 10.