What is CVE-2026-84525?

CVE-2026-84525 is a medium-severity vulnerability in Apple macOS, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.5/10. Published 2026-09-14.

How severe is CVE-2026-84525?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in Apple macOS

CVE-2026-84525

A logging issue was addressed with improved data redaction. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to access user-sensitive data.

Published 2026-09-14 · last modified 2026-09-18.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (4.2th percentile), scored 2026-10-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.2% 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

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

support.apple.com/en-us/149035 (Vendor Advisory)
support.apple.com/en-us/149042 (Vendor Advisory)
support.apple.com/en-us/149043 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-84525?: CVE-2026-84525 is a medium-severity vulnerability in Apple macOS, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.5/10. Published 2026-09-14.
How severe is CVE-2026-84525?: Medium severity. CVSS v3 base score is 5.5 out of 10.