Mozilla Maximum Severity Vulnerability - 20260116001¶
Overview¶
Mozilla has published updates to address a maximum serverity vulnerability in the Messaging System component.
What is vulnerable?¶
| Product(s) Affected | Version(s) | CVE | CVSS | Severity |
|---|---|---|---|---|
| Mozilla Firefox and Thunderbird | All versions prior to 147 | CVE-2026-0881 | 10 | 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):