fr Sign in

8.8 High

CVE-2025-14329 Privilege escalation in the Netmonitor component

Description

Privilege escalation in the Netmonitor component. This vulnerability was fixed in Firefox 146, Firefox ESR 140.6, Thunderbird 146, and Thunderbird 140.6.

Affected products and versions

Product	Affected versions	Fixed in
Firefox 146	earliest → < 146	146
Firefox 140.6	earliest → < 140.6	140.6
Firefox ESR 140.6	earliest → < 140.6	140.6
Thunderbird 146	earliest → < 146	146
Thunderbird 140.6	earliest → < 140.6	140.6

References

bugzilla.mozilla.org bugzilla.mozilla.org
www.mozilla.org www.mozilla.org
www.mozilla.org www.mozilla.org
www.mozilla.org www.mozilla.org
www.mozilla.org www.mozilla.org

Timeline

Published December 9, 2025
Last modified April 13, 2026

The 2221 CVEs of Firefox →

CVE-2026-120572 Incorrect boundary conditions in the Layout: Block and Inline component 8.8 High CVE-2026-118027 Frame poisoning in the Layout component 9.1 Critical CVE-2026-118025 Other issue in the SVG component 8.8 High CVE-2026-118024 Use-after-free in the Graphics: Text component 8.8 High

Track this CVE