What is CVE-2018-9471?

CVE-2018-9471 is a high-severity vulnerability in Google Android, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 7.8/10. Published 2024-11-20.

How severe is CVE-2018-9471?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Google Android

CVE-2018-9471

In the deserialization constructor of NanoAppFilter.java, there is a possible loss of data due to type confusion. This could lead to local escalation of privilege in the system server with no additional execution privileges needed. User interaction is not needed for exploitation.

Published 2024-11-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (5.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.4% 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)

References

source.android.com/security/bulletin/2018-09-01 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2018-9471?: CVE-2018-9471 is a high-severity vulnerability in Google Android, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 7.8/10. Published 2024-11-20.
How severe is CVE-2018-9471?: High severity. CVSS v3 base score is 7.8 out of 10.