What is CVE-2020-12746?

CVE-2020-12746 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-05-11.

How severe is CVE-2020-12746?

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

Buffer overflow in Google Android

CVE-2020-12746

An issue was discovered on Samsung mobile devices with O(8.X), P(9.0), and Q(10.0) (Exynos chipsets) software. Attackers can bypass the Secure Bootloader protection mechanism via a heap-based buffer overflow to execute arbitrary code. The Samsung ID is SVE-2020-16712 (May 2020).

Vulnerability class: Buffer Overflow

Published 2020-05-11 · 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: 0.011 (64.0th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Google Android — versions 8.0, 8.1, 9.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

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

Frequently asked questions

What is CVE-2020-12746?: CVE-2020-12746 is a critical-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2020-05-11.
How severe is CVE-2020-12746?: Critical severity. CVSS v3 base score is 9.8 out of 10.