CVE-2026-5864
Received Received - Intake
Heap Buffer Overflow in Chrome WebAudio Risks Data Leak

Publication date: 2026-04-08

Last updated on: 2026-04-14

Assigner: Chrome

Description
Heap buffer overflow in WebAudio in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)
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Meta Information
Published
2026-04-08
Last Modified
2026-04-14
Generated
2026-06-16
AI Q&A
2026-04-09
EPSS Evaluated
2026-06-15
NVD
CVE-2026-5864
EUVD
EUVD-2026-20660
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 147.0.7727.55 (exc)
Helpful Resources
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 WebAudio component of Google Chrome versions prior to 147.0.7727.55. It allows a remote attacker to exploit a crafted HTML page to access potentially sensitive information from the process memory.

Impact Analysis

The vulnerability can lead to unauthorized disclosure of sensitive information stored in the process memory of the browser. This means an attacker could potentially steal private data by tricking a user into visiting a maliciously crafted web page.

Compliance Impact

This vulnerability allows a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page due to a heap buffer overflow in WebAudio in Google Chrome prior to version 147.0.7727.55.

Such unauthorized access to sensitive information could potentially lead to non-compliance with data protection regulations and standards like GDPR and HIPAA, which require the protection of personal and sensitive data against unauthorized access.

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