What is GHSA-w7hc-w7v9-336m?

GHSA-w7hc-w7v9-336m is a security advisory published by GitHub Security Advisories with Critical severity. Insufficient validation of untrusted input in SiteIsolation in Google Chrome on Windows prior to...

Which CVE IDs does GHSA-w7hc-w7v9-336m cover?

GHSA-w7hc-w7v9-336m covers the following CVE IDs: CVE-2026-11056. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-w7hc-w7v9-336m?

GHSA-w7hc-w7v9-336m has a CVSS v3 base score of 9.6, published by GitHub Security Advisories.

GHSA-w7hc-w7v9-336mCriticalCVSS 9.6

Insufficient validation of untrusted input in SiteIsolation in Google Chrome on Windows prior to...

Vendor

GitHub Security Advisories

Published

June 5, 2026

Last Modified

June 5, 2026

🔗 CVE IDs covered (1)

CVE-2026-11056 →

📋 Description

Insufficient validation of untrusted input in SiteIsolation in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-11056
https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/498887785
https://github.com/advisories/GHSA-w7hc-w7v9-336m