CVE-2026-121046

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Incorrect Authorization in WebAppInstalls in Google Chrome

Publication date: 2026-11-03

Last updated on: 2026-11-03

Assigner: Chrome

Description

Incorrect authorization in WebAppInstalls in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to spoof address bar via a crafted HTML page. (Chromium security severity: Low)

CVSS 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-2026-121046

EUVD

EUVD-2026-116324

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 WebAppInstalls in Google Chrome before version 157.0.8103.38. A remote attacker could trick users into visiting a crafted HTML page, which exploits social engineering to spoof the browser's address bar. This makes users believe they are on a legitimate site when they are not.

Impact Analysis

This vulnerability could trick you into entering sensitive information like passwords or credit card details on a fake website that appears legitimate due to the spoofed address bar. It relies on social engineering, meaning attackers must deceive you into visiting the malicious page.

Mitigation Strategies

Update Google Chrome to version 157.0.8103.38 or later to address the vulnerability.

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