Description
Inappropriate implementation in CSS in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
Published: 2026-06-30
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Impact

An improper CSS implementation in Google Chrome versions prior to 150.0.7871.47 allows a remote attacker to leak data from other origins through a crafted HTML page, resulting in a confidentiality loss for information that should be protected by the same‑origin policy. The weakness aligns with information exposure (CWE‑200).

Affected Systems

All installations of Google Chrome older than version 150.0.7871.47 are affected.

Risk and Exploitability

The EPSS score is < 1%, indicating a very low likelihood of exploitation, and the vulnerability is not listed in the CISA KEV catalog, suggesting no known widespread exploitation. The CVSS score of 6.5 denotes moderate risk. Based on the description, it is inferred that the attack vector may involve a malicious web page that serves a crafted HTML document to induce cross‑origin data leakage.

Generated by OpenCVE AI on July 17, 2026 at 02:19 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Upgrade Google Chrome to version 150.0.7871.47 or newer
  • Enable automatic updates for Chrome to receive future security patches promptly
  • Restrict or monitor external CSS loads from untrusted origins in web applications until the browser update is applied

Generated by OpenCVE AI on July 17, 2026 at 02:19 UTC.

Tracking

Sign in to view the affected projects.

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

Fri, 17 Jul 2026 02:45:00 +0000

Type Values Removed Values Added
Title Cross-Origin Data Leak via Improper CSS Handling in Google Chrome

Tue, 14 Jul 2026 20:00:00 +0000

Type Values Removed Values Added
Title Cross-Origin Data Leak via Improper CSS Handling in Google Chrome

Sun, 12 Jul 2026 21:00:00 +0000

Type Values Removed Values Added
Title Cross-Origin Data Leak via CSS in Google Chrome

Sat, 11 Jul 2026 17:00:00 +0000

Type Values Removed Values Added
Title Cross-Origin Data Leak via CSS in Google Chrome

Fri, 10 Jul 2026 11:45:00 +0000

Type Values Removed Values Added
Title Cross-Origin Data Leak via Improper CSS Handling in Google Chrome

Wed, 08 Jul 2026 19:15:00 +0000

Type Values Removed Values Added
Title Cross-Origin Data Leak via Improper CSS Handling in Google Chrome

Tue, 07 Jul 2026 21:15:00 +0000

Type Values Removed Values Added
Title CSS Cross‑Origin Data Leak in Google Chrome

Mon, 06 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
Title CSS Cross‑Origin Data Leak in Google Chrome

Mon, 06 Jul 2026 03:15:00 +0000

Type Values Removed Values Added
Title Improper CSS Implementation Allows Cross-Origin Data Leak in Google Chrome

Sun, 05 Jul 2026 11:30:00 +0000

Type Values Removed Values Added
Title Improper CSS Implementation Allows Cross-Origin Data Leak in Google Chrome

Sat, 04 Jul 2026 22:45:00 +0000

Type Values Removed Values Added
Title Cross-Origin Data Leak via Improper CSS Handling

Sat, 04 Jul 2026 11:30:00 +0000

Type Values Removed Values Added
Title Cross-Origin Data Leak via Improper CSS Handling

Fri, 03 Jul 2026 23:30:00 +0000

Type Values Removed Values Added
Title Cross-Origin Data Leak via CSS Parsing Flaw in Google Chrome

Fri, 03 Jul 2026 08:30:00 +0000

Type Values Removed Values Added
Title Cross-Origin Data Leak via CSS Parsing Flaw in Google Chrome

Thu, 02 Jul 2026 19:30:00 +0000

Type Values Removed Values Added
Title Cross-Origin Data Leak via CSS Implementation in Google Chrome

Thu, 02 Jul 2026 08:45:00 +0000

Type Values Removed Values Added
Title Cross-Origin Data Leak via CSS Implementation in Google Chrome

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

Type Values Removed Values Added
Title Improper CSS Parsing Allows Cross-Origin Data Leak in Chrome

Wed, 01 Jul 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}

ssvc

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

Wed, 01 Jul 2026 13:45:00 +0000

Type Values Removed Values Added
Title Improper CSS Parsing Allows Cross-Origin Data Leak in Chrome
Weaknesses CWE-200

Wed, 01 Jul 2026 11:45:00 +0000

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

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

Type Values Removed Values Added
Description Inappropriate implementation in CSS in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)
References

Subscriptions

Google Chrome
cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-07-01T14:12:45.834Z

Reserved: 2026-06-29T23:11:51.083Z

Link: CVE-2026-14146

cve-icon Vulnrichment

Updated: 2026-07-01T14:12:35.500Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-17T02:30:08Z

Weaknesses
  • CWE-200

    Exposure of Sensitive Information to an Unauthorized Actor