CVE-2026-124951 | Mozilla Firefox up to 153.6/159 Nimbus Desktop Client privileges management

November 10, 2026 Yanac

A vulnerability classified as critical was found in Mozilla Firefox up to 153.6/159. The impacted element is an unknown function of the component Nimbus Desktop Client. Such manipulation leads to improper privilege management.

This vulnerability is listed as CVE-2026-124951. The attack may be performed from remote. There is no available exploit.

Upgrading the affected component is advised.VulDB Recent EntriesRead More