CVE-2026-14053

Published Jun 30, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
Insufficient policy enforcement in Extensions in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

Remediation

No solution or workaround provided in the CVE record

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
Type Values Removed Values Added
Title Cross‑Origin Data Leak via Extension Policy Bypass
Type Values Removed Values Added
Title Cross‑Origin Data Leak via Extension Policy Bypass
Type Values Removed Values Added
Title Insufficient Policy Enforcement Allows Extension to Leak Cross-Origin Data
Type Values Removed Values Added
Title Insufficient Policy Enforcement Allows Extension to Leak Cross-Origin Data
Type Values Removed Values Added
Title Extension Policy Bypass Enables Cross‑Origin Data Leakage in Chrome
Type Values Removed Values Added
Title Extension Policy Bypass Enables Cross‑Origin Data Leakage in Chrome
Type Values Removed Values Added
Title Chrome Extension Policy Bypass Allows Cross‑Origin Data Leakage
Type Values Removed Values Added
Title Chrome Extension Policy Bypass Allows Cross‑Origin Data Leakage
Type Values Removed Values Added
Title Extension Policy Bypass Enables Cross‑Origin Data Leakage via Render Process Compromise
Type Values Removed Values Added
Title Extension Policy Bypass Enables Cross‑Origin Data Leakage via Render Process Compromise
Type Values Removed Values Added
Title Chrome Extension Policy Bypass Enables Cross‑Origin Data Leak
Type Values Removed Values Added
Title Chrome Extension Policy Bypass Enables Cross‑Origin Data Leak
Type Values Removed Values Added
Title Cross‑Origin Data Leakage via Extension Policy Bypass in Google Chrome
Type Values Removed Values Added
Title Cross‑Origin Data Leakage via Extension Policy Bypass in Google Chrome
Type Values Removed Values Added
Title Chrome Extension Policy Bypass Enables Renderer-Based Data Leak
Type Values Removed Values Added
Title Chrome Extension Policy Bypass Enables Renderer-Based Data Leak
Type Values Removed Values Added
Title Cross‑Origin Data Leak via Extension Policy Bypass in Chrome
Type Values Removed Values Added
Title Cross‑Origin Data Leak via Extension Policy Bypass in Chrome
Type Values Removed Values Added
Title Extension Policy Bypass Enables Cross‑Origin Data Leak
Type Values Removed Values Added
Title Extension Policy Bypass Enables Cross‑Origin Data Leak
Type Values Removed Values Added
Title Chrome Extension Policy Bypass Enables Cross‑Origin Data Leak
Type Values Removed Values Added
Title Chrome Extension Policy Bypass Enables Cross‑Origin Data Leak
Type Values Removed Values Added
Weaknesses CWE-346
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N'}

ssvc

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

Type Values Removed Values Added
Title Cross-Origin Data Leakage via Unrestricted Extension Access
Weaknesses CWE-284
Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Title Cross‑Origin Data Leakage via Unrestricted Extension Access Cross-Origin Data Leakage via Unrestricted Extension Access
Type Values Removed Values Added
Title Cross‑Origin Data Leakage via Unrestricted Extension Access
Weaknesses CWE-284
Type Values Removed Values Added
Description Insufficient policy enforcement in Extensions in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jul 1, 2026, 1:10 PM
Reserved
Jun 29, 2026, 11:11 PM
Status
Analyzed
Published
Jun 30, 2026, 11:17 PM
Modified
Oct 25, 2026, 9:10 PM