CVE-2026-78963

Analyzed Analyzed - Analysis Complete

Improper Input Validation in Google Chrome Allows Code Execution

Publication date: 2026-08-25

Last updated on: 2026-08-27

Assigner: Chrome

Description

Improper input validation in Media in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-25

Last Modified

2026-08-27

Generated

2026-09-15

AI Q&A

2026-08-26

EPSS Evaluated

2026-09-13

NVD

CVE-2026-78963

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 152.0.7977.65 (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 is an improper input validation issue in Google Chrome's Media component. It allows a remote attacker to potentially execute arbitrary code outside the sandbox by tricking a user into visiting a specially crafted HTML page.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 152.0.7977.65. Detection involves checking the installed Chrome version. On Windows, run: wmic product where name='Google Chrome' get version. On Linux, run: google-chrome --version. If the version is below 152.0.7977.65, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device, bypassing security restrictions. This could lead to unauthorized access to your data, installation of malware, or other harmful actions.

Compliance Impact

This vulnerability involves improper input validation in Google Chrome, which could allow a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. While the description does not directly address compliance impacts, such vulnerabilities may increase risks related to unauthorized data access or processing, which could affect adherence to standards like GDPR or HIPAA depending on the context of use.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.65 or later to address the improper input validation issue.

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