CVE-2026-6311
Modified Modified - Updated After Analysis
Uninitialized Use in Chrome Accessibility Enables Sandbox Escape

Publication date: 2026-04-15

Last updated on: 2026-05-27

Assigner: Chrome

Description
Uninitialized Use in Accessibility in Google Chrome on Windows prior to 147.0.7727.101 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
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Meta Information
Published
2026-04-15
Last Modified
2026-05-27
Generated
2026-06-16
AI Q&A
2026-04-16
EPSS Evaluated
2026-06-14
NVD
CVE-2026-6311
EUVD
EUVD-2026-23064
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 147.0.7727.101 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-457 The code uses a variable that has not been initialized, leading to unpredictable or unintended results.
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Executive Summary

This vulnerability is an uninitialized use issue in the Accessibility component of Google Chrome on Windows versions prior to 147.0.7727.101. It allows a remote attacker, who has already compromised the renderer process, to potentially escape the browser's sandbox by using a specially crafted HTML page.

Impact Analysis

If exploited, this vulnerability can allow an attacker to escape the sandbox environment of the browser. This means the attacker could gain higher privileges on the affected system, potentially leading to full system compromise, data theft, or further malicious activities.

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