Heap Buffer Overflow in Chrome ANGLE Enables Sandbox Escape

Publication date: 2026-04-15

Last updated on: 2026-05-26

Assigner: Chrome

Description

Heap buffer overflow in ANGLE in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-04-15

Last Modified

2026-05-26

Generated

2026-07-06

AI Q&A

2026-04-16

EPSS Evaluated

2026-07-05

NVD

CVE-2026-6296

EUVD

EUVD-2026-23034

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 147.0.7727.101 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-122	A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Attack-Flow Graph

Executive Summary

This vulnerability is a heap buffer overflow in ANGLE, a component used in Google Chrome. It affects versions of Chrome prior to 147.0.7727.101. A remote attacker can exploit this flaw by crafting a malicious HTML page, which may allow them to escape the browser's sandbox environment.

Impact Analysis

Exploiting this vulnerability could allow an attacker to escape the sandbox protections of the browser, potentially leading to full control over the affected system. This can result in severe consequences such as unauthorized access, data theft, or system compromise.

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