CVE-2026-9959
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Race Condition in WebRTC in Google Chrome on Windows
Publication date: 2026-05-28
Last updated on: 2026-05-28
Assigner: Chrome
Description
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)
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| chrome | to 148.0.7778.216 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
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