CVE-2026-3939
Received
Received - Intake
Navigation Restriction Bypass in Chrome PDF via Insufficient Policy Enforcement
Publication date: 2026-03-11
Last updated on: 2026-03-16
Assigner: Chrome
Description
Description
Insufficient policy enforcement in PDF in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to bypass navigation restrictions via a crafted PDF file. (Chromium security severity: Low)
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| chrome | to 146.0.7680.71 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-284 | The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves insufficient policy enforcement in the PDF component of Google Chrome versions prior to 146.0.7680.71. It allows a remote attacker to bypass navigation restrictions by using a specially crafted PDF file.
How can this vulnerability impact me? :
An attacker exploiting this vulnerability could bypass navigation restrictions within the PDF viewer in Google Chrome, potentially leading users to unintended or malicious web pages.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know
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