What is GHSA-vfp7-2x6m-rmp3?

GHSA-vfp7-2x6m-rmp3 is a security advisory published by GitHub Security Advisories with High severity. Improper input validation in SiteIsolation in Google Chrome prior to 153.0.8010.36 allowed a...

Which CVE IDs does GHSA-vfp7-2x6m-rmp3 cover?

GHSA-vfp7-2x6m-rmp3 covers the following CVE IDs: CVE-2026-87553. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-vfp7-2x6m-rmp3?

GHSA-vfp7-2x6m-rmp3 has a CVSS v3 base score of 8.3, published by GitHub Security Advisories.

GHSA-vfp7-2x6m-rmp3HighCVSS 8.3

Improper input validation in SiteIsolation in Google Chrome prior to 153.0.8010.36 allowed a...

Vendor

GitHub Security Advisories

Published

September 9, 2026

Last Modified

September 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-87553 →

📋 Description

Improper input validation in SiteIsolation in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-87553
https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html
https://issues.chromium.org/issues/496595299
https://github.com/advisories/GHSA-vfp7-2x6m-rmp3