What is CVE-2026-87628?

CVE-2026-87628 is a high-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 8.3/10. Published 2026-09-09.

How severe is CVE-2026-87628?

High severity. CVSS v3 base score is 8.3 out of 10.

Use After Free in Google Chrome

CVE-2026-87628

Use after free in Cast in Google Chrome prior to 153.0.8010.36 allowed an adjacent attacker to potentially execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: Critical)

Vulnerability class: Use-After-Free

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Google Chrome

Weakness classification (CWE)

CWE-416 — Use After Free

References

chrome-cve-admin@google.com
chrome-cve-admin@google.com

Frequently asked questions

What is CVE-2026-87628?: CVE-2026-87628 is a high-severity vulnerability in Google Chrome, classified under Use After Free. CVSS score: 8.3/10. Published 2026-09-09.
How severe is CVE-2026-87628?: High severity. CVSS v3 base score is 8.3 out of 10.