What is CVE-2018-21072?

CVE-2018-21072 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2020-04-08.

How severe is CVE-2018-21072?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Out-of-bounds Read in Google Android

CVE-2018-21072

An issue was discovered on Samsung mobile devices with M(6.0), N(7.x), and O(8.0) (Exynos chipsets) software. A kernel driver allows out-of-bounds Read/Write operations and possibly arbitrary code execution. The Samsung ID is SVE-2018-11358 (May 2018).

Vulnerability class: Buffer Overflow

Published 2020-04-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Google Android — versions 6.0, 7.0, 7.1.0

Weakness classification (CWE)

References

security.samsungmobile.com/securityUpdate.smsb (Vendor Advisory)

Frequently asked questions

What is CVE-2018-21072?: CVE-2018-21072 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2020-04-08.
How severe is CVE-2018-21072?: Critical severity. CVSS v3 base score is 9.8 out of 10.