Arbitrary Code Execution in Google Chrome Extensions

Publication date: 2026-06-05

Last updated on: 2026-06-08

Assigner: Chrome

Description

Inappropriate implementation in Extensions in Google Chrome prior to 149.0.7827.53 allowed an attacker in a privileged network position to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-06-05

Last Modified

2026-06-08

Generated

2026-07-15

AI Q&A

2026-06-05

EPSS Evaluated

2026-07-14

NVD

CVE-2026-11269

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 149.0.7827.53 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-829	The product imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.

Attack-Flow Graph

Executive Summary

This vulnerability is due to an inappropriate implementation in the Extensions feature of Google Chrome versions prior to 149.0.7827.53. It allows an attacker who is in a privileged network position to execute arbitrary code inside a sandbox by using a specially crafted Chrome Extension.

Impact Analysis

If exploited, this vulnerability could allow an attacker on the same privileged network to run arbitrary code within the sandbox environment of Chrome Extensions. This could potentially lead to unauthorized actions or compromise of the browser's security boundaries.

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