CVE-2026-12466
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Heap Buffer Overflow in Google Chrome on Windows

Publication date: 2026-06-17

Last updated on: 2026-06-17

Assigner: Chrome

Description
Heap buffer overflow in WebRTC in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)
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Meta Information
Published
2026-06-17
Last Modified
2026-06-17
Generated
2026-06-17
AI Q&A
2026-06-17
EPSS Evaluated
N/A
NVD
CVE-2026-12466
EUVD
EUVD-2026-37551
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 149.0.7827.155 (exc)
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Exploitability
CWE
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KEV
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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().
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Executive Summary

This vulnerability is a heap buffer overflow in the WebRTC component of Google Chrome on Windows versions prior to 149.0.7827.155. It allows a remote attacker to execute arbitrary code by tricking a user into visiting a specially crafted HTML page.

Impact Analysis

The vulnerability can lead to remote code execution, meaning an attacker could run malicious code on your system without your permission. This could result in unauthorized access, data theft, system compromise, or further malware installation.

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