CVE-2026-5867
Modified Modified - Updated After Analysis
Heap Buffer Overflow in Chrome WebML Risks Data Exposure

Publication date: 2026-04-08

Last updated on: 2026-05-26

Assigner: Chrome

Description
Heap buffer overflow in WebML 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
2026-05-26
Generated
2026-06-16
AI Q&A
2026-04-09
EPSS Evaluated
2026-06-15
NVD
CVE-2026-5867
EUVD
EUVD-2026-20665
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 exploit a crafted HTML page to access potentially sensitive information from the process memory.

Impact Analysis

The impact of this vulnerability is that a remote attacker could obtain sensitive information from the memory of the affected Chrome process. This could lead to exposure of private data or other confidential information stored in memory while browsing.

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