CVE-2026-3063

MEDIUM
2026-02-23 [email protected]
5.4
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 23, 2026 - 23:16 nvd
MEDIUM 5.4

Tags

Google 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)

Analysis

Google Chrome versions prior to 145.0.7632.116 allow attackers to inject malicious scripts or HTML into privileged pages through a compromised DevTools extension if a user can be tricked into installing it. The vulnerability requires user interaction to install a malicious extension but could enable unauthorized script execution in sensitive browser contexts. …

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Remediation

Within 30 days: Identify affected systems running DevTools in Google Chrome and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +27
POC: 0

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CVE-2026-3063 vulnerability details – vuln.today
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