What is CVE-2026-84527?

CVE-2026-84527 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.5/10. Published 2026-09-14.

How severe is CVE-2026-84527?

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

Information disclosure in Apple iOS And Ipados

CVE-2026-84527

A logging issue was addressed with improved data redaction. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An app may be able to access sensitive user 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:N/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (4.8th percentile), scored 2026-10-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.8% 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

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

support.apple.com/en-us/149034 (Vendor Advisory)
support.apple.com/en-us/149035 (Vendor Advisory)
support.apple.com/en-us/149036 (Vendor Advisory)
support.apple.com/en-us/149037 (Vendor Advisory)
support.apple.com/en-us/149038 (Vendor Advisory)
support.apple.com/en-us/149042 (Vendor Advisory)
support.apple.com/en-us/149043 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-84527?: CVE-2026-84527 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.5/10. Published 2026-09-14.
How severe is CVE-2026-84527?: Medium severity. CVSS v3 base score is 5.5 out of 10.