What is GHSA-w5c9-5j6m-86ch?

GHSA-w5c9-5j6m-86ch is a security advisory published by GitHub Security Advisories with High severity. Use after free in V8 in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to execute...

Which CVE IDs does GHSA-w5c9-5j6m-86ch cover?

GHSA-w5c9-5j6m-86ch covers the following CVE IDs: CVE-2026-110921. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-w5c9-5j6m-86ch?

GHSA-w5c9-5j6m-86ch has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-w5c9-5j6m-86chHighCVSS 8.8

Use after free in V8 in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to execute...

Vendor

GitHub Security Advisories

Published

October 16, 2026

Last Modified

October 16, 2026

🔗 CVE IDs covered (1)

CVE-2026-110921 →

📋 Description

Use after free in V8 in Google Chrome prior to 155.0.8059.84 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-110921
https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_01886704284.html
https://issues.chromium.org/issues/569286602
https://github.com/advisories/GHSA-w5c9-5j6m-86ch