CVE-2026-11056
Chrome Sandbox Escape via SiteIsolation Flaw on Windows
Publication date: 2026-06-04
Last updated on: 2026-06-04
Assigner: Chrome
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| chrome | to 149.0.7827.53 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-20 | The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves insufficient validation of untrusted input in the SiteIsolation feature of Google Chrome on Windows versions prior to 149.0.7827.53. It allows a remote attacker who has already compromised the renderer process to potentially escape the browser's sandbox by using a specially crafted HTML page.
How can this vulnerability impact me? :
If exploited, this vulnerability could allow an attacker to break out of the browser's sandbox environment, potentially gaining greater control over the affected system. This could lead to unauthorized access to system resources or data beyond the browser, increasing the risk of further compromise.