What is CVE-2018-9366?

CVE-2018-9366 is a high-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2024-11-19.

How severe is CVE-2018-9366?

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

Buffer overflow in Google Android

CVE-2018-9366

In IMSA_Recv_Thread and VT_IMCB_Thread of ImsaClient.cpp and VideoTelephony.c, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Vulnerability class: Integer Overflow

Published 2024-11-19 · 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: 0.001 (0.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Google Android — versions SoCVersion

Weakness classification (CWE)

References

source.android.com/security/bulletin/2018-06-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2018-9366?: CVE-2018-9366 is a high-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2024-11-19.
How severe is CVE-2018-9366?: High severity. CVSS v3 base score is 7.8 out of 10.