CVE-2026-8966

HIGH SEVERITY

CVSS Score & Metrics

Base Score

7.5 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N                                    

Information disclosure in the IP Protection component. This vulnerability was fixed in Firefox 151 and Thunderbird 151.

Published Date

May 19, 2026

Last Modified

May 20, 2026

CWE ID

CWE-200

Source

NVD

Vendor

mozilla

Product

firefox