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+# Chromium Critical Vulnerabilities - 20260610002
+
+## Overview
+
+The WASOC has been made aware of a use after free vulnerability in Google Chrome Navigation and an insufficient validation of untrusted input vulnerability in Google Chrome UI that allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.
+
+## What is vulnerable?
+
+| Products Affected | CVE | CVSS | Severity |
+| --- | --- | --- | --- |
+| **Chromium-based Browsers** <br> - Google Chrome <br> - Microsoft Edge <br> - Brave <br> - Vivaldi | [CVE-2026-11671](https://nvd.nist.gov/vuln/detail/CVE-2026-11671) <br> [CVE-2026-11697](https://nvd.nist.gov/vuln/detail/CVE-2026-11697) <br> [CVE-2026-11645](https://nvd.nist.gov/vuln/detail/CVE-2026-11645) | 9.6 <br> 9.6 <br> 8.8  | **Critical** <br> **Critical** <br> High |
+
+
+## What has been observed?
+
+The WASOC has observed one or more of the moentioned items being listed on the [CISA Known Exploited Vulnerability catalog](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search=Chromium+V8&field_date_added_wrapper=all&field_cve=&sort_by=field_date_added&items_per_page=20&url=).
+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](../guidelines/patch-management.md)):
+
+- Google: <https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html>
+
+## Additional References
+
+- <https://github.com/advisories/GHSA-93cq-cwfp-9r89>
+- <https://github.com/advisories/GHSA-rxx6-vjpq-6755>
+