Chromium Kernel Critical Vulnerability - 20260618001¶
Overview¶
Google has published an update addressing multiple security vulnerabilities affecting the Chromium Kernel, impacting a range of desktop platforms, including one critically rated item. Successful exploitation could lead to a sandbox escape via a crafted HTML page.
What is vulnerable?¶
| Product(s) Affected | Version(s) | CVE | CVSS | Severity |
|---|---|---|---|---|
| Chromium-based Browsers - Google Chrome - Microsoft Edge - Brave - Vivaldi |
CVE-2026-12440 | 9.6 | Critical |
What has been observed?¶
The WASOC has not received any reports of exploitation of this vulnerability on Western Australian Government networks at the time of writing.
Recommendation¶
The WASOC recommends administrators apply the solutions as per vendor instructions to all affected devices within expected timeframes (refer Patch Management):