What is GHSA-8x3p-8g9v-xc7m?

GHSA-8x3p-8g9v-xc7m is a security advisory published by GitHub Security Advisories with High severity. Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to...

Which CVE IDs does GHSA-8x3p-8g9v-xc7m cover?

GHSA-8x3p-8g9v-xc7m covers the following CVE IDs: CVE-2026-87491. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-8x3p-8g9v-xc7m?

GHSA-8x3p-8g9v-xc7m has a CVSS v3 base score of 8.8, published by GitHub Security Advisories.

GHSA-8x3p-8g9v-xc7mHighCVSS 8.8

Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to...

Vendor

GitHub Security Advisories

Published

September 9, 2026

Last Modified

September 9, 2026

🔗 CVE IDs covered (1)

CVE-2026-87491 →

📋 Description

Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-87491
https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html
https://issues.chromium.org/issues/543557673
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-87491
https://github.com/advisories/GHSA-8x3p-8g9v-xc7m