CVE-2026-113244

UI Spoofing via Crafted HTML in Google Chrome Due to Missing Authorization

Published Oct 20, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Missing authorization in UI in Google Chrome prior to 156.0.8078.47 allowed a remote attacker who had compromised the renderer process to spoof UI elements via a crafted HTML page. (Chromium security severity: Low)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4853-1 chromium security update
Debian DSA Debian DSA DSA-6577-1 chromium security update
History
Type Values Removed Values Added
Title UI Spoofing via Crafted HTML in Google Chrome Due to Missing Authorization
Type Values Removed Values Added
Title Chrome UI Input Validation Flaw Enabling Remote Code Execution via Crafted HTML
Type Values Removed Values Added
Weaknesses CWE-20
Type Values Removed Values Added
Description Improper input validation in UI in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Low) Missing authorization in UI in Google Chrome prior to 156.0.8078.47 allowed a remote attacker who had compromised the renderer process to spoof UI elements via a crafted HTML page. (Chromium security severity: Low)
Weaknesses CWE-862
Type Values Removed Values Added
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title Chrome UI Input Validation Flaw Enabling Remote Code Execution via Crafted HTML
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

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

Type Values Removed Values Added
Description Improper input validation in UI in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Low)
Weaknesses CWE-20
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Nov 3, 2026, 9:21 PM
Reserved
Oct 19, 2026, 11:11 PM
Status
Modified
Published
Oct 20, 2026, 10:19 PM
Modified
Nov 3, 2026, 10:18 PM