CVE-2026-103626
Received Received - Intake

Incorrect Authorization in Google Chrome FileSystem on Windows

Publication date: 2026-10-02

Last updated on: 2026-10-02

Assigner: Chrome

Description
Incorrect authorization in FileSystem in Google Chrome on on Windows prior to 154.0.8037.97 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

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Meta Information

Published
2026-10-02
Last Modified
2026-10-02
Generated
2026-10-02
AI Q&A
2026-10-02
EPSS Evaluated
N/A
NVD
CVE-2026-103626
EUVD
EUVD-2026-91707

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 154.0.8037.97 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-863 The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

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Executive Summary

This vulnerability involves incorrect authorization in the FileSystem component of Google Chrome on Windows. It allowed a remote attacker to potentially execute arbitrary code outside the sandbox by tricking a user into visiting a specially crafted HTML page. The issue was rated as high severity by Chromium security team.

Detection Guidance

This vulnerability is specific to Google Chrome on Windows prior to version 154.0.8037.97. Detection involves checking the installed Chrome version. On Windows, you can run: chrome.exe --version in Command Prompt or PowerShell. If the version is below 154.0.8037.97, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your computer outside the browser's security sandbox. This could lead to unauthorized access to your system, data theft, or installation of malware. Users could be impacted if they visit a compromised or malicious website.

Mitigation Strategies

Update Google Chrome to version 154.0.8037.97 or later immediately. This can be done via Chrome's built-in update mechanism or by downloading the latest version from Google's official website. Avoid opening untrusted HTML pages until the update is applied.

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