CVE-2026-5903
Received
Received - Intake
IFrameSandbox Policy Bypass in Google Chrome Prior to
Publication date: 2026-04-08
Last updated on: 2026-04-13
Assigner: Chrome
Description
Description
Policy bypass in IFrameSandbox in Google Chrome prior to 147.0.7727.55 allowed a remote attacker who convinced a user to engage in specific UI gestures to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Low)
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| chrome | to 147.0.7727.55 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-693 | The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a policy bypass issue in the IFrameSandbox feature of Google Chrome versions prior to 147.0.7727.55. It allows a remote attacker to bypass navigation restrictions by convincing a user to perform specific user interface gestures on a specially crafted HTML page.
How can this vulnerability impact me? :
The vulnerability could allow an attacker to bypass navigation restrictions in the browser, potentially leading to unauthorized navigation or actions within the browser context. However, the severity of this issue is considered low.
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