Security Advisory

CVE-2026-2777

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-02-24 13:33:12

Last updated 2026-04-13 13:52:51

Assigner mozilla

State PUBLISHED

Description

Privilege escalation in the Messaging System component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

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