What is CVE-2018-9433?

CVE-2018-9433 is a high-severity vulnerability in Google Android, classified under Improper Encoding or Escaping of Output. CVSS score: 8.8/10. Published 2024-11-19.

How severe is CVE-2018-9433?

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

Vulnerability in Google Android

CVE-2018-9433

In ArrayConcatVisitor of builtins-array.cc, there is a possible type confusion due to improper input validation. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation.

Published 2024-11-19 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.003 (15.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 15.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Google Android — versions nyc-mr1-dev, 6, 7.0

Weakness classification (CWE)

CWE-116 — Improper Encoding or Escaping of Output

References

source.android.com/security/bulletin/2018-07-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2018-9433?: CVE-2018-9433 is a high-severity vulnerability in Google Android, classified under Improper Encoding or Escaping of Output. CVSS score: 8.8/10. Published 2024-11-19.
How severe is CVE-2018-9433?: High severity. CVSS v3 base score is 8.8 out of 10.