Firefox Netmonitor Privilege Escalation (v<148/ESR<140.8)
CVE-2026-2782 Published on February 24, 2026

Privilege escalation in the Netmonitor component
Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 148 and Firefox ESR < 140.8.

NVD


Products Associated with CVE-2026-2782

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Affected Versions

Mozilla Firefox: Mozilla Firefox ESR: Mozilla Thunderbird: Mozilla Thunderbird: