What is CVE-2020-0066?

CVE-2020-0066 is a medium-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 6.4/10. Published 2020-03-10.

How severe is CVE-2020-0066?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Buffer overflow in Google Android

CVE-2020-0066

In the netlink driver, there is a possible out of bounds write due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-65025077

Vulnerability class: Race Condition

Published 2020-03-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.9% 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
Android — versions Android kernel

Weakness classification (CWE)

References

source.android.com/security/bulletin/pixel/2020-03-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2020-0066?: CVE-2020-0066 is a medium-severity vulnerability in Google Android, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 6.4/10. Published 2020-03-10.
How severe is CVE-2020-0066?: Medium severity. CVSS v3 base score is 6.4 out of 10.