CVE-2025-14328: Privilege escalation in the Netmonitor component
Privilege escalation in the Netmonitor component. This vulnerability affects Firefox < 146 and Firefox ESR < 140.6.
Other sources
Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.
— MITRE
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 140.6 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 146 - Upgrade
Upgrade
Firefox / Firefox ESR / Thunderbird (Netmonitor component)to a version that resolves this vulnerability.Fixed in 146 - Upgrade
Upgrade
Firefox ESR / Thunderbird (Netmonitor component)to a version that resolves this vulnerability.Fixed in 140.6
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2025-14328?
CVE-2025-14328 is classified as a privilege escalation vulnerability.
Which versions of Firefox are affected by CVE-2025-14328?
CVE-2025-14328 affects Firefox versions prior to 146 and Firefox ESR versions prior to 140.6.
What impacts can CVE-2025-14328 have on users?
CVE-2025-14328 can allow unauthorized users to gain elevated privileges in the affected systems.
How do I fix CVE-2025-14328?
To mitigate CVE-2025-14328, users should update to the latest version of Firefox or Firefox ESR.
Is there a workaround for CVE-2025-14328?
Currently, there are no known workarounds for CVE-2025-14328; upgrading is recommended.