CVE-2026-4458

high

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)

References

http://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html

https://issues.chromium.org/issues/489619753

https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html

Details

Source: Mitre, NVD

Published: 2026-03-20

Updated: 2026-03-20

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00008

Detections

Analytics