CVE-2026-6361
Modified Modified - Updated After Analysis
Heap Buffer Overflow in PDFium Enables Remote Code Execution

Publication date: 2026-04-15

Last updated on: 2026-05-26

Assigner: Chrome

Description
Heap buffer overflow in PDFium in Google Chrome on Windows prior to 147.0.7727.101 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: High)
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Meta Information
Published
2026-04-15
Last Modified
2026-05-26
Generated
2026-06-16
AI Q&A
2026-04-15
EPSS Evaluated
2026-06-15
NVD
CVE-2026-6361
EUVD
EUVD-2026-23088
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 147.0.7727.101 (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 PDFium, a component used by Google Chrome on Windows versions prior to 147.0.7727.101. It allows a remote attacker to execute arbitrary code inside a sandbox if they convince a user to perform specific user interface gestures while opening a specially crafted PDF file.

Impact Analysis

The vulnerability can lead to remote code execution within the sandbox environment of Google Chrome. This means an attacker could potentially run malicious code on your system without your permission if you open a crafted PDF file and perform certain UI actions. Although the code execution is sandboxed, it still poses a significant security risk.

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