What is CVE-2020-15993?

CVE-2020-15993 is a critical-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 9.8/10. Published 2020-11-03.

How severe is CVE-2020-15993?

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

Use After Free in Google Android

CVE-2020-15993

Use after free in printing in Google Chrome prior to 86.0.4240.99 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Vulnerability class: Use-After-Free

Published 2020-11-03 · 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 (65.1th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.1% 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
Google Chrome — versions unspecified

Weakness classification (CWE)

CWE-416 — Use After Free

References

crbug.com/1133983 (Permissions Required, Vendor Advisory)
chromereleases.googleblog.com/2020/10/chrome-for-android-update_31.html (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2020-15993?: CVE-2020-15993 is a critical-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 9.8/10. Published 2020-11-03.
How severe is CVE-2020-15993?: Critical severity. CVSS v3 base score is 9.8 out of 10.