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

Impact

A race condition within the WebRTC module of Google Chrome on Windows enables a malicious web page to trigger the flaw, causing the browser to read and expose data belonging to a different origin. This flaw represents a confidentiality breach and is classified as CWE-362.

Affected Systems

Google Chrome users running any Windows build with a version earlier than 150.0.7871.47 are affected.

Risk and Exploitability

The CVSS score of 6.5 indicates medium severity, while the EPSS score of < 1% suggests a very low but non-zero exploitation likelihood. The vulnerability is not listed in CISA KEV. Based on the description a malicious web page that a victim visits, which triggers the WebRTC race condition during normal browser activity, allows the attacker to capture cross‑origin data from the browser’s memory. While exploitation is possible, the low EPSS indicates limited real‑world spread.

Generated by OpenCVE AI on July 15, 2026 at 23:35 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Upgrade Google Chrome to at least version 150.0.7871.47, which fixes the WebRTC race condition.
  • If an upgradeRTC the chrome flag chrome://flags/#enable-webrtc or using an extension that blocks WebRTC traffic.
  • Implement strict Content‑Security‑Policy headers and enforce same‑origin policies on web applications to limit cross‑origin data exposure.

Generated by OpenCVE AI on July 15, 2026 at 23:35 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

Thu, 16 Jul 2026 00:00:00 +0000

Type Values Removed Values Added
Title Race Condition in Chrome WebRTC Allows Cross‑Origin Data Leakage

Tue, 14 Jul 2026 20:30:00 +0000

Type Values Removed Values Added
Title WebRTC Race Condition Causes Cross-Origin Data Leakage in Google Chrome Windows

Mon, 13 Jul 2026 05:15:00 +0000

Type Values Removed Values Added
Title WebRTC Race Condition Causes Cross-Origin Data Leakage in Google Chrome Windows

Sat, 11 Jul 2026 02:45:00 +0000

Type Values Removed Values Added
Title Race Condition in Chrome WebRTC Enables Cross-Origin Data Leakage

Thu, 09 Jul 2026 21:30:00 +0000

Type Values Removed Values Added
Title Race Condition in Chrome WebRTC Enables Cross-Origin Data Leakage

Thu, 09 Jul 2026 03:00:00 +0000

Type Values Removed Values Added
Title Race Condition in Chrome WebRTC Allows Cross-Origin Data Leakage

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

Type Values Removed Values Added
Title Race Condition in Chrome WebRTC Allows Cross-Origin Data Leakage

Tue, 07 Jul 2026 10:15:00 +0000

Type Values Removed Values Added
Title WebRTC Race Condition Enables Cross‑Origin Data Leakage in Chrome on Windows

Mon, 06 Jul 2026 16:30:00 +0000

Type Values Removed Values Added
Title WebRTC Race Condition Enables Cross‑Origin Data Leakage in Chrome on Windows

Mon, 06 Jul 2026 03:45:00 +0000

Type Values Removed Values Added
Title Race Condition in Chrome WebRTC Allows Cross-Origin Data Leak on Windows

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

Type Values Removed Values Added
Title Race Condition in Chrome WebRTC Allows Cross-Origin Data Leak on Windows

Sat, 04 Jul 2026 23:15:00 +0000

Type Values Removed Values Added
Title Race Condition in Chrome WebRTC Leading to Cross-Origin Data Leakage

Sat, 04 Jul 2026 07:45:00 +0000

Type Values Removed Values Added
Title Race Condition in Chrome WebRTC Leading to Cross-Origin Data Leakage

Fri, 03 Jul 2026 20:00:00 +0000

Type Values Removed Values Added
Title Race Condition in WebRTC Enables Cross‑Origin Data Leakage

Fri, 03 Jul 2026 12:30:00 +0000

Type Values Removed Values Added
Title Race Condition in WebRTC Enables Cross‑Origin Data Leakage

Fri, 03 Jul 2026 05:30:00 +0000

Type Values Removed Values Added
Title Cross-Origin Data Leakage via WebRTC Race Condition in Google Chrome

Thu, 02 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
Title Cross-Origin Data Leakage via WebRTC Race Condition in Google Chrome

Thu, 02 Jul 2026 06:45:00 +0000

Type Values Removed Values Added
Title Race Condition in Chrome WebRTC Enables Cross-Origin Data Leak

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

Type Values Removed Values Added
Title Race Condition in Chrome WebRTC Enables Cross-Origin Data Leak

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

Type Values Removed Values Added
Weaknesses CWE-362
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 14:15:00 +0000

Type Values Removed Values Added
Title WebRTC Race Condition Allows Cross-Origin Data Leak in Chrome
Weaknesses CWE-200
CWE-665

Wed, 01 Jul 2026 07:15:00 +0000

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

Wed, 01 Jul 2026 02:45:00 +0000

Type Values Removed Values Added
Title WebRTC Race Condition Allows Cross-Origin Data Leak in Chrome
Weaknesses CWE-200
CWE-665

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

Type Values Removed Values Added
Description Race in WebRTC in Google Chrome on Windows prior to 150.0.7871.47 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
References

cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-07-01T14:27:37.120Z

Reserved: 2026-06-29T23:04:18.693Z

Link: CVE-2026-14015

cve-icon Vulnrichment

Updated: 2026-07-01T14:23:31.641Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-15T23:45:16Z

Weaknesses
  • CWE-362

    Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')