CVE-2026-121157

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Incorrect Authorization in Chromoting in Google Chrome

Publication date: 2026-11-03

Last updated on: 2026-11-03

Assigner: Chrome

Description

Incorrect authorization in Chromoting in Google Chrome prior to 157.0.8103.38 allowed a local attacker to bypass system access restrictions via a local program. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-11-03

Last Modified

2026-11-03

Generated

2026-11-04

AI Q&A

2026-11-04

EPSS Evaluated

N/A

NVD

CVE-2026-121157

EUVD

EUVD-2026-116326

Affected Vendors & Products

Vendor	Product	Version / Range
Google	Chrome	157.0.8103.38

Helpful Resources

Exploitability

CWE

KEV

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.

Attack-Flow Graph

Executive Summary

This vulnerability involves incorrect authorization in Chromoting, a remote desktop feature in Google Chrome. It allows a local attacker to bypass system access restrictions by using a local program. The issue was present in Chrome versions before 157.0.8103.38.

Impact Analysis

A local attacker could exploit this to gain unauthorized access to your system or data if they have physical or local network access. However, the severity is rated as Low by Chromium, indicating limited impact.

Mitigation Strategies

Update Google Chrome to version 157.0.8103.38 or later to address the incorrect authorization issue in Chromoting.

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