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CVE-2025-14329 is a high-severity privilege escalation vulnerability in the Netmonitor component of Mozilla Firefox. The provided content states that it affects Firefox versions prior to 146, Firefox ESR versions prior to 140.6, Thunderbird versions prior to 146, and Thunderbird ESR versions prior to 140.6. The issue is described only at a high level as a privilege escalation flaw in Netmonitor; no specific vulnerable function, root cause, or code path is provided in the supplied material. Mozilla tracks the issue in Bugzilla as 1997018 and references it in advisories including MFSA 2025-92 and MFSA 2025-94.
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No public exploit code observed for this vulnerability.
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
19 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A privilege escalation vulnerability in the Netmonitor component of Firefox and Firefox ESR, allowing attackers to gain elevated privileges via remote exploitation. Affects Firefox versions prior to 146 and Firefox ESR prior to 140.6.
A privilege escalation vulnerability in the Netmonitor component of Mozilla products, potentially allowing attackers to gain higher privileges.
A privilege escalation vulnerability in the Netmonitor component of Firefox ESR, which could allow an attacker to gain higher privileges within the browser.
A privilege escalation vulnerability in the Netmonitor component of Firefox, which could allow an attacker to gain higher privileges within the browser context.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.