What is GHSA-3365-6hr6-8mgc?

GHSA-3365-6hr6-8mgc is a security advisory published by GitHub Security Advisories with High severity. Off-by-one error in V8 in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to...

Which CVE IDs does GHSA-3365-6hr6-8mgc cover?

GHSA-3365-6hr6-8mgc covers the following CVE IDs: CVE-2026-126889. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-3365-6hr6-8mgc?

GHSA-3365-6hr6-8mgc has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-3365-6hr6-8mgcHighCVSS 8.8

Off-by-one error in V8 in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to...

Vendor

GitHub Security Advisories

Published

November 12, 2026

Last Modified

November 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-126889 →

📋 Description

Off-by-one error in V8 in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-126889
https://chromereleases.googleblog.com/2026/11/stable-channel-update-for-desktop_01744469280.html
https://issues.chromium.org/issues/560620348
https://github.com/advisories/GHSA-3365-6hr6-8mgc