CVE-2026-113183

Modified Modified - Updated After Analysis

Memory Corruption in Google Chrome via FedCM

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Chrome

Description

Incorrect authorization in FedCM in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

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Meta Information

Published

2026-10-20

Last Modified

2026-11-03

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-113183

EUVD

EUVD-2026-105537

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 156.0.8078.47 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-119	The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
CWE-863	The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

Executive Summary

This vulnerability is a memory corruption issue in FedCM (Federated Credential Management) within Google Chrome versions before 156.0.8078.47. A remote attacker could exploit this by crafting a malicious HTML page to potentially execute arbitrary code inside Chrome's sandbox.

Detection Guidance

This vulnerability is specific to Google Chrome versions prior to 156.0.8078.47. To detect it, check your Chrome version by running chrome://version/ in the browser. If your version is below 156.0.8078.47, update Chrome immediately.

Impact Analysis

If exploited, this vulnerability could allow an attacker to run malicious code on your device through a specially designed webpage. This could lead to unauthorized access to data, installation of malware, or further compromise of your system while browsing.

Compliance Impact

This vulnerability does not directly affect compliance with GDPR, HIPAA, or similar standards. It is a memory corruption issue in FedCM within Google Chrome that could allow remote code execution inside a sandbox via a crafted HTML page. Compliance impacts would depend on how the vulnerability is exploited in a specific environment.

Mitigation Strategies

Update Google Chrome to version 156.0.8078.47 or later to address the memory corruption issue in FedCM.

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