CVE-2026-8521

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)

CVSS 3.1

7.5CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-25)

CWE

CWE-416

Published

2026-05-14

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• google:chrome

References

• https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html
• https://issues.chromium.org/issues/504106200

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