CVE-2026-100829 | Mozilla Firefox up to 153.3/156 DOM Security privileges management

September 29, 2026 Yanac

A vulnerability was found in Mozilla Firefox up to 153.3/156. It has been classified as critical. Affected by this vulnerability is an unknown functionality of the component DOM Security. This manipulation causes improper privilege management.

This vulnerability is tracked as CVE-2026-100829. The attack is possible to be carried out remotely. No exploit exists.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More