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CVE-2026-2780

—
CVSS 3.1
9.8 critical
EPSS
<1%p27
Published
()
Modified
Description

Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

Vendors
mozilla
Products
firefox, thunderbird
Weakness
CWE-269
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (0.3%)

In the news

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