CVE-2026-8521

high

Description

Use after free in Tab Groups in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Critical)

References

https://issues.chromium.org/issues/504106200

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html

Details

Source: Mitre, NVD

Published: 2026-05-14

Updated: 2026-05-14

Risk Information

CVSS v2

Base Score: 6.8

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

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.00035