What is CVE-2020-0086?

CVE-2020-0086 is a critical-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2020-03-15.

How severe is CVE-2020-0086?

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

Buffer overflow in Google Android

CVE-2020-0086

In readCString of Parcel.cpp, there is a possible out of bounds write due to an integer overflow. This could lead to arbitrary code execution if IntSan were not enabled, which it is by default. No additional execution privileges are required. User interaction is not needed for exploitation. Product: Android Versions: Android-10 Android ID: A-131859347

Vulnerability class: Integer Overflow

Published 2020-03-15 · 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: 0.006 (48.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Google Android — versions 10.0
Android — versions Android-10

Weakness classification (CWE)

References

source.android.com/security/bulletin/android-10 (Vendor Advisory)

Frequently asked questions

What is CVE-2020-0086?: CVE-2020-0086 is a critical-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2020-03-15.
How severe is CVE-2020-0086?: Critical severity. CVSS v3 base score is 9.8 out of 10.