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CVE-2025-14329 is a high-severity privilege escalation vulnerability in the Netmonitor component of Mozilla Firefox and related Mozilla products. The issue affects Firefox before 146, Firefox ESR before 140.6, and corresponding Thunderbird releases fixed in 146 and 140.6. Publicly available information identifies the affected component and the resulting security impact, but does not provide sufficient technical detail about the precise root cause, vulnerable function, or exploitation mechanism. Successful exploitation could allow an attacker to elevate privileges within the affected application context and weaken intended security boundaries.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
21 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, which could allow an attacker to gain higher privileges within the browser context.
A privilege escalation vulnerability in the Netmonitor component of Firefox ESR, which could allow an attacker to gain higher privileges within the browser.
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.