CVE-2026-78948

Analyzed Analyzed - Analysis Complete

Buffer Overflow in Google Chrome WebGL

Publication date: 2026-08-25

Last updated on: 2026-08-27

Assigner: Chrome

Description

Buffer overflow in WebGL in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-25

Last Modified

2026-08-27

Generated

2026-09-15

AI Q&A

2026-08-26

EPSS Evaluated

2026-09-13

NVD

CVE-2026-78948

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 152.0.7977.65 (exc)

Helpful Resources

Exploitability

CWE

KEV

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().

Attack-Flow Graph

Executive Summary

This vulnerability is a buffer overflow in WebGL within Google Chrome versions before 152.0.7977.65. It allows a remote attacker to execute arbitrary code outside the browser's sandbox by tricking a user into visiting a specially crafted HTML page.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 152.0.7977.65. To detect it, check your Chrome version by running chrome --version or chrome://version in the browser. If the version is below 152.0.7977.65, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your system, potentially stealing data, installing malware, or taking control of your device. It bypasses Chrome's security sandbox, increasing the risk of serious harm.

Compliance Impact

This vulnerability could potentially lead to unauthorized code execution, which may result in data breaches or unauthorized access to sensitive information. Such incidents could violate compliance requirements under GDPR, HIPAA, or other regulations depending on the data exposed.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.65 or later to address the buffer overflow vulnerability in WebGL.

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