What is CVE-2026-19143?

CVE-2026-19143 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2026-08-06.

How severe is CVE-2026-19143?

High severity. CVSS v3 base score is 8.6 out of 10.

Improper input validation in Google Android

CVE-2026-19143

Insufficient validation of untrusted input in WebAPKs in Google Chrome on Android prior to 151.0.7922.109 allowed a local attacker to potentially perform a sandbox escape via a malicious file. (Chromium security severity: High)

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2026-08-06 · last modified 2026-10-23.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.6th percentile), scored 2026-11-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.6% 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
Google Chrome — versions 151.0.7922.109

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0119367… (Release Notes, Vendor Advisory)
issues.chromium.org/issues/517772612 (Permissions Required)

Frequently asked questions

What is CVE-2026-19143?: CVE-2026-19143 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2026-08-06.
How severe is CVE-2026-19143?: High severity. CVSS v3 base score is 8.6 out of 10.