CVE-2026-4458

| EUVD-2026-13475 HIGH
2026-03-20 [email protected]
8.8
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

4
Patch Released
Mar 20, 2026 - 08:46 nvd
Patch available
Analysis Generated
Mar 20, 2026 - 08:37 vuln.today
EUVD ID Assigned
Mar 20, 2026 - 08:37 euvd
EUVD-2026-13475
CVE Published
Mar 20, 2026 - 02:16 nvd
HIGH 8.8

Description

Use after free in Extensions in Google Chrome prior to 146.0.7680.153 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted Chrome Extension. (Chromium security severity: High)

Analysis

Heap memory corruption in Google Chrome prior to version 146.0.7680.153 can be triggered through malicious browser extensions, affecting Chrome users on Google, Ubuntu, and Debian systems. An attacker must convince a user to install a compromised extension to exploit this use-after-free vulnerability and potentially achieve code execution. …

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Remediation

Within 7 days: Identify all affected systems running Extensions in Google Chrome and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

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Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +44
POC: 0

Vendor Status

Ubuntu

Priority: Medium
chromium-browser
Release Status Version
jammy not-affected code not present
noble not-affected code not present
questing not-affected code not present
upstream released -

Debian

chromium
Release Status Fixed Version Urgency
bullseye (security), bullseye vulnerable 120.0.6099.224-1~deb11u1 -
bookworm fixed 146.0.7680.153-1~deb12u1 -
bookworm (security) fixed 146.0.7680.153-1~deb12u1 -
trixie fixed 146.0.7680.153-1~deb13u1 -
trixie (security) fixed 146.0.7680.153-1~deb13u1 -
forky vulnerable 146.0.7680.80-1 -
sid fixed 146.0.7680.153-1 -
bullseye fixed (unfixed) end-of-life
(unstable) fixed 146.0.7680.153-1 -

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CVE-2026-4458 vulnerability details – vuln.today

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