What is GHSA-88g6-23mm-rpg4?

GHSA-88g6-23mm-rpg4 is a security advisory published by GitHub Security Advisories with Critical severity. Inappropriate implementation in Headless in Google Chrome prior to 149.0.7827.115 allowed a...

Which CVE IDs does GHSA-88g6-23mm-rpg4 cover?

GHSA-88g6-23mm-rpg4 covers the following CVE IDs: CVE-2026-12027. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-88g6-23mm-rpg4?

GHSA-88g6-23mm-rpg4 has a CVSS v3 base score of 9.6, published by GitHub Security Advisories.

GHSA-88g6-23mm-rpg4CriticalCVSS 9.6

Inappropriate implementation in Headless in Google Chrome prior to 149.0.7827.115 allowed a...

Vendor

GitHub Security Advisories

Published

June 12, 2026

Last Modified

June 12, 2026

🔗 CVE IDs covered (1)

CVE-2026-12027 →

📋 Description

Inappropriate implementation in Headless in Google Chrome prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-12027
https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_01962725236.html
https://issues.chromium.org/issues/517517155
https://github.com/advisories/GHSA-88g6-23mm-rpg4