What is CVE-2019-1986?

CVE-2019-1986 is a high-severity vulnerability in Android, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2019-02-28.

How severe is CVE-2019-1986?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Android

CVE-2019-1986

In SkSwizzler::onSetSampleX of SkSwizzler.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege in system_server with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: Android-9. Android ID: A-117838472.

Vulnerability class: Buffer Overflow

Published 2019-02-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Android — versions Android-9
Google Android — versions 9.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

www.securityfocus.com/bid/106842 (Third Party Advisory, vdb-entry)
source.android.com/security/bulletin/2019-02-01 (Vendor Advisory)

Frequently asked questions

What is CVE-2019-1986?: CVE-2019-1986 is a high-severity vulnerability in Android, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2019-02-28.
How severe is CVE-2019-1986?: High severity. CVSS v3 base score is 8.8 out of 10.