CVE-2026-12459

chromium-browser: chromium-browser: Inappropriate implementation in Serial

Published Jun 17, 2026 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Description
Inappropriate implementation in Serial in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. (Chromium security severity: High)

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 UXSS via Serial implementation in Chrome allowing remote script injection chromium-browser: chromium-browser: Inappropriate implementation in Serial
References
Metrics threat_severity

None

threat_severity

Important

Type Values Removed Values Added
Title UXSS via Serial implementation in Chrome allowing remote script injection
Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, '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 Serial in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to inject arbitrary scripts or HTML (UXSS) via a crafted HTML page. (Chromium security severity: High)
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jun 17, 2026, 10:57 AM
Reserved
Jun 16, 2026, 7:38 PM
Status
Analyzed
Published
Jun 17, 2026, 1:20 PM
Modified
Oct 26, 2026, 12:10 PM
Severity
Important
Public date
Jun 17, 2026, 1:38 AM