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)
Published: 2026-06-30
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4672-1 chromium security update
Debian DSA Debian DSA DSA-6378-1 chromium security update
History

Mon, 06 Jul 2026 16:45:00 +0000

Type Values Removed Values Added
Title Local Privilege Escalation via Untrusted Input in Chrome CustomTabs

Mon, 06 Jul 2026 04:00:00 +0000

Type Values Removed Values Added
Title Invalid CustomTabs Input Validation Enables Local Privilege Escalation

Sun, 05 Jul 2026 15:15:00 +0000

Type Values Removed Values Added
Title Invalid CustomTabs Input Validation Enables Local Privilege Escalation

Sun, 05 Jul 2026 04:15:00 +0000

Type Values Removed Values Added
Title Local Privilege Escalation via Malformed CustomTabs File in Google Chrome on Android

Sat, 04 Jul 2026 12:00:00 +0000

Type Values Removed Values Added
Title Local Privilege Escalation via Malformed CustomTabs File in Google Chrome on Android

Sat, 04 Jul 2026 00:15:00 +0000

Type Values Removed Values Added
Title Privilege Escalation via CustomTabs Input Validation in Google Chrome on Android

Fri, 03 Jul 2026 09:30:00 +0000

Type Values Removed Values Added
Title Privilege Escalation via CustomTabs Input Validation in Google Chrome on Android

Thu, 02 Jul 2026 20:15:00 +0000

Type Values Removed Values Added
Title Privilege Escalation via Malicious File in Chrome CustomTabs

Thu, 02 Jul 2026 05:00:00 +0000

Type Values Removed Values Added
Title Privilege Escalation via Malicious File in Chrome CustomTabs

Wed, 01 Jul 2026 22:45:00 +0000

Type Values Removed Values Added
Title Local Privilege Escalation via Malformed CustomTabs Files in Chrome for Android

Wed, 01 Jul 2026 16:45:00 +0000

Type Values Removed Values Added
Title Local Privilege Escalation via Malformed CustomTabs Files in Chrome for Android

Wed, 01 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 01 Jul 2026 09:15:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Wed, 01 Jul 2026 06:30:00 +0000

Type Values Removed Values Added
Title Insufficient Validation in Chrome CustomTabs Enables Local Privilege Escalation

Wed, 01 Jul 2026 01:30:00 +0000

Type Values Removed Values Added
Title Insufficient Validation in Chrome CustomTabs Enables Local Privilege Escalation

Tue, 30 Jun 2026 23:15:00 +0000

Type Values Removed Values Added
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)
Weaknesses CWE-20
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-07-02T03:55:29.658Z

Reserved: 2026-06-29T23:03:36.660Z

Link: CVE-2026-13863

cve-icon Vulnrichment

Updated: 2026-07-01T13:18:11.927Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-06T16:30:03Z

Weaknesses