CVE-2026-95276

Analyzed Analyzed - Analysis Complete

Improper Input Validation in Google Chrome Themes

Publication date: 2026-09-29

Last updated on: 2026-09-30

Assigner: Chrome

Description

Improper input validation in Themes in Google Chrome prior to 154.0.8037.57 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code inside the sandbox via crafted network traffic. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-29

Last Modified

2026-09-30

Generated

2026-10-19

AI Q&A

2026-09-29

EPSS Evaluated

2026-10-18

NVD

CVE-2026-95276

EUVD

EUVD-2026-89122

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 154.0.8037.57 (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 improper input validation in Google Chrome's Themes feature. A remote attacker who already compromised the renderer process could exploit this to potentially execute arbitrary code within the sandbox by sending specially crafted network traffic.

Detection Guidance

Detection of this vulnerability requires checking the installed version of Google Chrome. If your version is prior to 154.0.8037.57, the system is vulnerable. Use commands like 'google-chrome --version' or check via package manager (e.g., 'apt list --installed | grep chrome' for Debian-based systems).

Network traffic inspection tools like Wireshark may help identify unusual renderer process activity, but this requires deep packet analysis and expertise.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device even if they only compromised the Chrome renderer process. This could lead to unauthorized access to data, installation of malware, or further compromise of your system.

Compliance Impact

This vulnerability involves improper input validation in Google Chrome, potentially allowing remote attackers to execute arbitrary code via crafted network traffic. Such code execution could lead to unauthorized data access, modification, or exfiltration, which may violate GDPR's data protection requirements or HIPAA's safeguards for protected health information.

Mitigation Strategies

Update Google Chrome to version 154.0.8037.57 or later to address the improper input validation issue in Themes.

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