CVE-2026-9987 | Insufficient validation of untrusted input in WebAppInstalls… | CVSS 7.8 HIGH

Description

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)

Metadata

CVE ID: CVE-2026-9987
State: PUBLISHED
Assigner: Chrome
Reserved: 2026-05-28 17:25 UTC
Published: 2026-05-28 22:25 UTC
Last updated: 2026-05-30 03:56 UTC
Primary CWE: CWE-20
Insufficient validation of untrusted input
Vendor / Product: Google / Chrome
Sources: cve.org · NVD

Severity & Metrics

7.8 HIGH CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
Google	Chrome	—	148.0.7778.216 < 148.0.7778.216

Weakness (CWE)

CWE	Source	Description
CWE-20	cna	Insufficient validation of untrusted input

CVSS scores (1)

Score	Severity	Version	Source	Vector
7.8	HIGH	3.1	adp	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References (2)