CVE-2026-91746

Received Received - Intake

Integer Overflow in Compositing in Google Chrome

Publication date: 2026-09-15

Last updated on: 2026-09-16

Assigner: Chrome

Description

Integer overflow in Compositing in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: High)

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-15

Last Modified

2026-09-16

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-91746

EUVD

EUVD-2026-79979

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	153.0.8010.47

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-190	The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.

Attack-Flow Graph

Executive Summary

This vulnerability is an integer overflow in the Compositing feature of Google Chrome. It allows a remote attacker to access cross-origin data by exploiting a crafted HTML page. The issue was present in Chrome versions before 153.0.8010.47.

Impact Analysis

An attacker could exploit this to steal sensitive data from other websites you visit, even if those sites are on different domains. This could lead to privacy breaches or unauthorized access to personal information.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, violating GDPR's data protection principles and HIPAA's privacy rules. Organizations using vulnerable Chrome versions may face compliance violations and legal penalties.

Mitigation Strategies

Update Google Chrome to version 153.0.8010.47 or later to address the integer overflow vulnerability in Compositing.

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