What is GHSA-j27f-xg68-8fvv?

GHSA-j27f-xg68-8fvv is a security advisory published by GitHub Security Advisories with Critical severity. Use after free in Extensions in Google Chrome prior to 148.0.7778.216 allowed a remote attacker...

Which CVE IDs does GHSA-j27f-xg68-8fvv cover?

GHSA-j27f-xg68-8fvv covers the following CVE IDs: CVE-2026-9891. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-j27f-xg68-8fvv?

GHSA-j27f-xg68-8fvv has a CVSS v3 base score of 9.0, published by GitHub Security Advisories.

GHSA-j27f-xg68-8fvvCriticalCVSS 9.0

Use after free in Extensions in Google Chrome prior to 148.0.7778.216 allowed a remote attacker...

Vendor

GitHub Security Advisories

Published

May 29, 2026

Last Modified

May 29, 2026

🔗 CVE IDs covered (1)

CVE-2026-9891 →

📋 Description

Use after free in Extensions in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted Chrome Extension. (Chromium security severity: Critical)

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-9891
https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html
https://issues.chromium.org/issues/513508128
https://github.com/advisories/GHSA-j27f-xg68-8fvv