Firefox Netmonitor PrivEsc pre-148 ESR<140.8
CVE-2026-2780 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.
Products Associated with CVE-2026-2780
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Affected Versions
Mozilla Firefox:- Version unspecified and below 148 is affected.
- Version unspecified and below 140.8 is affected.
- Version unspecified and below 148 is affected.
- Version unspecified and below 140.8 is affected.