PT-2026-61877
CVE-2026-16365
·
Published
2026-07-21
·
Updated
2026-09-30
Description by
CVSS 3.1
8.8
HighMetricsAV: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 DOM: Workers component.
Recommendations
Update Firefox to version 153.
Update Thunderbird to version 153.
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