CVE-2026-121090

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Improper Privilege Management in Google Chrome on iOS

Publication date: 2026-11-03

Last updated on: 2026-11-03

Assigner: Chrome

Description

Improper privilege management in Navigation in Google Chrome on on iOS prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS Scores

EPSS Scores

Probability:
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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-2026-121090

EUVD

EUVD-2026-116392

Affected Vendors & Products

Vendor	Product	Version / Range
Google	Chrome	157.0.8103.38

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-269	The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Attack-Flow Graph

Executive Summary

This vulnerability involves improper privilege management in Google Chrome on iOS. A remote attacker who compromises the renderer process could potentially execute arbitrary code outside the sandbox by tricking a user into visiting a crafted HTML page. The issue has a high severity rating due to its potential impact.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device, bypassing security restrictions. This might lead to unauthorized access to sensitive data, installation of malware, or further compromise of your system.

Mitigation Strategies

Update Google Chrome on iOS to version 157.0.8103.38 or later to address the improper privilege management issue.

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