CVE-2026-76028
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Use After Free in Google Chrome FileSystem

Publication date: 2026-10-30

Last updated on: 2026-10-30

Assigner: Chrome

Description
Use after free in FileSystem in Google Chrome prior to 156.0.8078.79 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

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Meta Information

Published
2026-10-30
Last Modified
2026-10-30
Generated
2026-10-30
AI Q&A
2026-10-30
EPSS Evaluated
N/A
NVD
CVE-2026-76028
EUVD
EUVD-2026-113425

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Google Chrome 156.0.8078.79

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-416 The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

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Executive Summary

This is a use-after-free vulnerability in Google Chrome's FileSystem component. It occurs when a program continues to use memory after it has been freed, potentially allowing an attacker to execute arbitrary code within the browser's sandbox. The vulnerability is triggered by a crafted HTML page and affects Chrome versions prior to 156.0.8078.79.

Impact Analysis

An attacker could exploit this to run malicious code on your device through a specially designed webpage. Since it allows code execution inside the sandbox, it may bypass some security restrictions, potentially leading to unauthorized access or control of your system.

Mitigation Strategies

Update Google Chrome to version 156.0.8078.79 or later to address the use after free vulnerability in FileSystem.

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