CVE-2026-5858
Received Received - Intake
Heap Buffer Overflow in Chrome WebML Enables Remote Code Execution

Publication date: 2026-04-08

Last updated on: 2026-04-13

Assigner: Chrome

Description
Heap buffer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)
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Meta Information
Published
2026-04-08
Last Modified
2026-04-13
Generated
2026-06-16
AI Q&A
2026-04-09
EPSS Evaluated
2026-06-14
NVD
CVE-2026-5858
EUVD
EUVD-2026-20651
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 WebML component of Google Chrome versions prior to 147.0.7727.55. 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 device without your permission if you visit a maliciously crafted webpage. This could compromise your system's security and potentially lead to data theft, system damage, or unauthorized access.

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