CVE-2026-13862

Received Received - Intake

BaseFortify

Publication date: 2026-06-30

Last updated on: 2026-06-30

Assigner: Chrome

Description

Insufficient policy enforcement in Web Authentication (Passkeys & Security Keys) in Google Chrome on iOS prior to 150.0.7871.47 allowed an attacker in a privileged network position to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-06-30

Last Modified

2026-06-30

Generated

2026-07-01

AI Q&A

2026-07-01

EPSS Evaluated

N/A

NVD

CVE-2026-13862

EUVD

EUVD-2026-40548

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	150.0.7871.47

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Impact Analysis

The vulnerability can allow an attacker on the same network to access sensitive information from other websites or web applications you are using, by bypassing security policies that normally prevent such data leakage.

This could lead to unauthorized disclosure of personal or confidential data, potentially compromising your privacy and security.

Executive Summary

This vulnerability involves insufficient policy enforcement in the Web Authentication feature (Passkeys & Security Keys) of Google Chrome on iOS versions prior to 150.0.7871.47.

An attacker who is in a privileged network position can exploit this flaw by using a specially crafted HTML page to leak data across different origins (cross-origin data leakage).

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