Google Releases Security Update for Chrome

Security updates include 230 security fixes, including an exploited vulnerability (CVE-2026-87491)

Threat ID:: CC-4847
Threat Severity:: Medium
Published:: 9 September 2026 12:12 PM

Report a cyber attack: call 0300 303 5222 or email [email protected]

Summary

Security updates include 230 security fixes, including an exploited vulnerability (CVE-2026-87491)

Affected platforms

The following platforms are known to be affected:

Google Chrome for Microsoft Windows, Apple macOS, and Linux

All prior to 153.0.8010.36/.37 for Windows and Mac
All prior to 153.0.8010.36 for Linux

Threat details

Exploitation of CVE-2026-87491

Google is aware that an exploit for CVE-2026-87491 exists in the wild.

Introduction

Google has released security updates that cover 230 security fixes for Chrome, including one vulnerability that has been exploited in the wild.

CVE-2026-87491 - 'Out-of-bounds write' vulnerability - CVSSv3.1 score: 8.8

Remediation advice

Affected organisations are encouraged to review Google's Stable Channel Update for Desktop advisory and apply the relevant updates as soon as possible.

Definitive source of threat updates

https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html

CVE Vulnerabilities

Status Published

CVE-2026-87491

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)

Last edited: 9 September 2026 12:12 pm