CVE-2026-13863
Received Received - Intake

Insufficient Input Validation in Google Chrome CustomTabs on Android

Vulnerability report for CVE-2026-13863, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-06-30

Last updated on: 2026-06-30

Assigner: Chrome

Description

Insufficient validation of untrusted input in CustomTabs in Google Chrome on Android prior to 150.0.7871.47 allowed a local attacker to perform privilege escalation via a malicious file. (Chromium security severity: Medium)

CVSS Scores

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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
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
google chrome 150.0.7871.47

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-20 The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

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Executive Summary

This vulnerability involves insufficient validation of untrusted input in the CustomTabs feature of Google Chrome on Android versions prior to 150.0.7871.47.

A local attacker could exploit this flaw by using a malicious file to escalate their privileges on the affected device.

Impact Analysis

The vulnerability allows a local attacker to escalate their privileges on an affected Android device running Google Chrome before version 150.0.7871.47.

This could potentially lead to unauthorized access to sensitive data or system functions that are normally restricted.

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