CVE-2026-8952

High

Published: 19/05/2026(UTC)Translated: 15/06/2026(UTC)NVD NIST

Summary

The vulnerability allows privilege escalation in the Application Update component. It was fixed in Firefox 151 and Thunderbird 151.

Organizations may be exposed to unauthorized access to systems, potentially leading to serious security consequences.

It is recommended to update to Firefox 151 or Thunderbird 151 to mitigate this vulnerability.

Original NVD description (English source)

Privilege escalation in the Application Update component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.