CVE-2026-17930

Analyzed Analyzed - Analysis Complete

Privilege Escalation in Google Chrome Extensions

Publication date: 2026-07-30

Last updated on: 2026-08-03

Assigner: Chrome

Description

Insufficient validation of untrusted input in Extensions in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to perform privilege escalation via a crafted HTML page. (Chromium security severity: Low)

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-07-30

Last Modified

2026-08-03

Generated

2026-08-19

AI Q&A

2026-07-30

EPSS Evaluated

2026-08-18

NVD

CVE-2026-17930

EUVD

EUVD-2026-50856

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 151.0.7922.72 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This vulnerability involves insufficient validation of untrusted input in Google Chrome's Extensions feature. A remote attacker who already compromised the renderer process could exploit this to escalate privileges via a specially crafted HTML page.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 151.0.7922.72. To detect it, check your Chrome version by running chrome://version/ in the browser. If your version is below 151.0.7922.72, the system is vulnerable. Update Chrome to the latest version to mitigate the risk.

Impact Analysis

If you use Google Chrome prior to version 151.0.7922.72, an attacker who gains control of the renderer process could potentially gain higher privileges, allowing them to perform unauthorized actions on your system.

Compliance Impact

This vulnerability allows privilege escalation via crafted HTML pages, which could lead to unauthorized access or data breaches. Such breaches may impact compliance with GDPR (data protection) and HIPAA (health data privacy) by exposing sensitive user or patient information.

Mitigation Strategies

Update Google Chrome to version 151.0.7922.72 or later to address the vulnerability.

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