PT-2026-61913

CVE-2026-16401

Published

2026-07-21

Updated

2026-09-18

CVSS 3.1

8.8

High

MetricsAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 153 Thunderbird versions prior to 153

Description A privilege escalation issue exists within the Data Loss Prevention component.

Recommendations Update Firefox to version 153. Update Thunderbird to version 153.

Exploitability

Fix

Impacts

Researchers

Vendors

Affected products

Weakness enumeration

Related identifiers

CLSA-2026-1787115646

OPENSUSE-SU-2026:11358-1

OPENSUSE-SU-2026:11373-1

OPENSUSE-SU-2026:21713-1

SUSE-SU-2026:23411-1

SUSE-SU-2026:23590-1

SUSE-SU-2026:4140-1

SUSE-SU-2026:4156-1

SUSE-SU-2026:4268-1

Found an issue in the description? Have something to add? Feel free to write us 👾