CVE-2026-113246

Modified Modified - Updated After Analysis

Memory Corruption in Google Chrome iOSWebView on iOS

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Chrome

Description

Missing authorization in iOSWebView in Google Chrome on on iOS prior to 156.0.8078.47 allowed a remote attacker to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

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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-2026-113246

EUVD

EUVD-2026-105595

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-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

This vulnerability is a memory corruption issue in iOSWebView within Google Chrome on iOS versions before 156.0.8078.47. It allows a remote attacker to potentially read memory inside the sandbox by tricking a user into visiting a specially crafted HTML page.

Detection Guidance

This vulnerability is specific to Google Chrome on iOS and involves memory corruption in iOSWebView. Detection would require checking the installed version of Google Chrome on iOS devices. If the version is prior to 156.0.8078.47, the system is vulnerable. No specific commands are provided in the context for detection.

Impact Analysis

If exploited, this vulnerability could allow an attacker to access sensitive data stored in memory, such as passwords or personal information, even if the user is browsing in a sandboxed environment. This could lead to privacy breaches or unauthorized data access.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, which may violate GDPR's data protection requirements or HIPAA's safeguards for protected health information. Organizations using affected Chrome versions may face compliance risks if data is exposed.

Mitigation Strategies

Update Google Chrome on iOS to version 156.0.8078.47 or later to address the memory corruption issue in iOSWebView.

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