What is CVE-2026-9987?

CVE-2026-9987 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2026-05-28.

How severe is CVE-2026-9987?

High severity. CVSS v3 base score is 7.8 out of 10.

Improper input validation in Google Android

CVE-2026-9987

Insufficient validation of untrusted input in WebAppInstalls in Google Chrome on Android prior to 148.0.7778.216 allowed a local attacker to execute arbitrary code via a malicious file. (Chromium security severity: High)

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

EPSS: 0.000 (1.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Google Android
Google Chrome — versions 148.0.7778.216

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

chrome-cve-admin@google.com (Vendor Advisory)
chrome-cve-admin@google.com (Permissions Required)

Frequently asked questions

What is CVE-2026-9987?: CVE-2026-9987 is a high-severity vulnerability in Google Android, classified under Improper Input Validation. CVSS score: 7.8/10. Published 2026-05-28.
How severe is CVE-2026-9987?: High severity. CVSS v3 base score is 7.8 out of 10.