CVE-2026-8521CWE-416

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

High · published May 14, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
12.8
In the wild
Unconfirmed
What it is

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)

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00228 · 12.8th percentile
Weakness
CWE-416 · Use After Free
Published
2026-05-14T19:52Z
EPSS history
Timeline
  • 14 MAY 19:52Z
    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
    cvelistv5