CVE-2026-12438

chromium-browser: chromium-browser: Inappropriate implementation in WebView

Published Jun 17, 2026 CVSS 3.1 · 8.3 High EPSS < 1% KEV · Not listed
Description
Inappropriate implementation in WebView in Google Chrome on Android prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6351-1 chromium security update
History
Type Values Removed Values Added
Title Remote Attacker Can Escape WebView Sandbox via Crafted HTML in Chrome on Android chromium-browser: chromium-browser: Inappropriate implementation in WebView
Weaknesses CWE-653
References
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
Title Remote Attacker Can Escape WebView Sandbox via Crafted HTML in Chrome on Android
Type Values Removed Values Added
Weaknesses CWE-693
Metrics cvssV3_1

{'score': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Description Inappropriate implementation in WebView in Google Chrome on Android prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jun 18, 2026, 3:55 AM
Reserved
Jun 16, 2026, 7:38 PM
Status
Analyzed
Published
Jun 17, 2026, 1:19 PM
Modified
Oct 26, 2026, 11:10 AM
Severity
Important
Public date
Jun 17, 2026, 1:38 AM