CVE-2026-9959
Analyzed Analyzed - Analysis Complete
Race Condition in WebRTC in Google Chrome on Windows

Publication date: 2026-05-28

Last updated on: 2026-05-29

Assigner: Chrome

Description
Race in WebRTC in Google Chrome on Windows prior to 148.0.7778.216 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
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Meta Information
Published
2026-05-28
Last Modified
2026-05-29
Generated
2026-06-19
AI Q&A
2026-05-29
EPSS Evaluated
2026-06-18
NVD
CVE-2026-9959
EUVD
EUVD-2026-33101
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
google chrome to 148.0.7778.216 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-362 The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
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Impact Analysis

The vulnerability can lead to unauthorized disclosure of data from other origins, potentially exposing sensitive information to attackers who exploit the race condition via a malicious web page.

Executive Summary

This vulnerability is a race condition in WebRTC within Google Chrome on Windows versions prior to 148.0.7778.216. It allows a remote attacker to leak cross-origin data by using a specially crafted HTML page.

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