CVE-2026-8521

HIGH

Google Chrome < 148.0.7778.168 - Use-After-Free in Tab Groups

Title source: llm

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 (2)

Core 2

Core References

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

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

Scores

CVSS v3 7.5

EPSS 0.0004

EPSS Percentile 13.6%

Attack Vector ADJACENT_NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-416

Status published

Products (2)

google/chrome < 148.0.7778.168

Google/Chrome 148.0.7778.168

Published May 14, 2026

Tracked Since May 15, 2026