CVE-2026-3063
Received Received - Intake
Script Injection via Malicious Extension in Chrome DevTools (High

Publication date: 2026-02-23

Last updated on: 2026-02-25

Assigner: Chrome

Description
Inappropriate implementation in DevTools in Google Chrome prior to 145.0.7632.116 allowed an attacker who convinced a user to install a malicious extension to inject scripts or HTML into a privileged page via DevTools. (Chromium security severity: High)
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-02-23
Last Modified
2026-02-25
Generated
2026-06-16
AI Q&A
2026-02-24
EPSS Evaluated
2026-06-14
NVD
CVE-2026-3063
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
google chrome to 145.0.7632.116 (exc)
google chrome to 145.0.7632.117 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Compliance Impact

I don't know

Executive Summary

This vulnerability is due to an inappropriate implementation in DevTools in Google Chrome versions prior to 145.0.7632.116. It allows an attacker who convinces a user to install a malicious extension to inject scripts or HTML into a privileged page via DevTools.

Detection Guidance

I don't know

Mitigation Strategies

I don't know

Impact Analysis

The impact of this vulnerability is that an attacker can inject malicious scripts or HTML into privileged pages through DevTools if the user installs a malicious extension. This could lead to unauthorized actions or data exposure within the browser environment.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-3063. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart