CVE-2026-106363

Analyzed Analyzed - Analysis Complete

BaseFortify

Publication date: 2026-10-06

Last updated on: 2026-10-14

Assigner: Chrome

Description

Missing authorization in FullScreen in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-10-06

Last Modified

2026-10-14

Generated

2026-10-19

AI Q&A

2026-10-07

EPSS Evaluated

2026-10-18

NVD

CVE-2026-106363

EUVD

EUVD-2026-93684

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 155.0.8059.39 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

This vulnerability is a missing authorization issue in Google Chrome's FullScreen feature. It allows a remote attacker who has already compromised the renderer process to bypass system access restrictions through a crafted HTML page. The attacker could trick a user into interacting with the page to gain unauthorized full-screen access.

Detection Guidance

Detection requires checking the Chrome version. Run chrome://version/ in Chrome to verify if it is below 155.0.8059.39. If so, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow an attacker to display deceptive content in full-screen mode, potentially tricking you into believing it is a legitimate system dialog or warning. This could lead to phishing attacks or unauthorized actions on your device.

Compliance Impact

This vulnerability does not directly affect compliance with GDPR, HIPAA, or similar standards as it involves a bypass of system access restrictions through social engineering and renderer process compromise. Compliance risks would depend on how the vulnerability is exploited in a specific environment rather than the vulnerability itself.

Mitigation Strategies

Update Google Chrome to version 155.0.8059.39 or later immediately. Disable automatic updates temporarily if needed, but prioritize patching.

Hi! I’m here to help you understand CVE-2026-106363. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70