CVE-2026-113325

Modified Modified - Updated After Analysis

Memory Corruption in Google Chrome iOS SignIn

Publication date: 2026-10-20

Last updated on: 2026-11-03

Assigner: Chrome

Description

Missing authorization in SignIn in Google Chrome on on iOS prior to 156.0.8078.47 allowed a remote attacker to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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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-2026-113325

EUVD

EUVD-2026-105583

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

Memory corruption in SignIn in Google Chrome on iOS prior to 156.0.8078.47 allows a remote attacker to read memory inside the sandbox via a crafted HTML page.

Detection Guidance

This vulnerability is specific to Google Chrome on iOS versions prior to 156.0.8078.47. To detect it, check your Chrome version in iOS settings under Chrome app details. If the version is below 156.0.8078.47, the system is vulnerable. Update Chrome to the latest version to mitigate the risk.

Impact Analysis

An attacker could exploit this to read sensitive memory data within Chrome's sandbox, potentially exposing user information or other data processed by the browser.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, violating GDPR's data protection principles or HIPAA's confidentiality requirements if sensitive user data is accessed.

Mitigation Strategies

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

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