CVE-2026-78958

Analyzed Analyzed - Analysis Complete

Heap Buffer Overflow in Google Chrome Skia Engine

Publication date: 2026-08-25

Last updated on: 2026-08-31

Assigner: Chrome

Description

Uninitialized resource in Skia in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to potentially obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-25

Last Modified

2026-08-31

Generated

2026-09-15

AI Q&A

2026-08-26

EPSS Evaluated

2026-09-14

NVD

CVE-2026-78958

Affected Vendors & Products

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

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-908	The product uses or accesses a resource that has not been initialized.

Attack-Flow Graph

Executive Summary

This vulnerability is an uninitialized resource issue in Skia, a graphics library used by Google Chrome. It allows an attacker who has already compromised the renderer process to potentially access cross-origin data 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/ in the browser. If your version is below 152.0.7977.65, the system is vulnerable. Update Chrome to the latest version to mitigate the risk.

Impact Analysis

If exploited, this vulnerability could allow an attacker to steal sensitive data from other websites you visit, even if those sites are from different origins. This could include personal information, login credentials, or other confidential data.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, which may violate GDPR's data protection requirements or HIPAA's safeguards for protected health information. Organizations could face compliance penalties if such breaches occur due to unpatched systems.

Mitigation Strategies

Update Google Chrome to version 152.0.7977.65 or later to address the vulnerability.

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