What is CVE-2018-9426?

CVE-2018-9426 is a high-severity vulnerability in Google Android, classified under Insufficient Entropy. CVSS score: 7.5/10. Published 2024-12-02.

How severe is CVE-2018-9426?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Google Android

CVE-2018-9426

In RsaKeyPairGenerator::getNumberOfIterations of RSAKeyPairGenerator.java, an incorrect implementation could cause weak RSA key pairs being generated. This could lead to crypto vulnerability with no additional execution privileges needed. User interaction is not needed for exploitation. Bulletin Fix: The fix is designed to correctly implement the key generation according to FIPS standard.

Published 2024-12-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.3% 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

Google Android — versions 7.0, 8.0, 7

Weakness classification (CWE)

CWE-331 — Insufficient Entropy

References

source.android.com/docs/security/bulletin/pixel/2018-07-01 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2018-9426?: CVE-2018-9426 is a high-severity vulnerability in Google Android, classified under Insufficient Entropy. CVSS score: 7.5/10. Published 2024-12-02.
How severe is CVE-2018-9426?: High severity. CVSS v3 base score is 7.5 out of 10.