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CVE-2025-14323 is a high-severity privilege escalation vulnerability in the DOM: Notifications component of Mozilla Firefox and Thunderbird. The provided content identifies the issue as affecting Firefox versions prior to 146, Firefox ESR prior to 115.31 and 140.6, Thunderbird prior to 146, and Thunderbird prior to 140.6. The vulnerability is tracked by Mozilla under Bugzilla ID 1996555 and is referenced in Mozilla advisories MFSA2025-92, MFSA2025-93, and MFSA2025-94. Based on the available information, the flaw allows an attacker to trigger privilege escalation through the browser's notifications-related DOM functionality, but the specific vulnerable function or root-cause class is not provided in the source material.
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No public exploit code observed for this vulnerability.
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19 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A privilege escalation vulnerability in the DOM: Notifications component of Mozilla Firefox and Firefox ESR, allowing attackers to escalate privileges via remote exploitation. Rated high severity (CVSS 8.8).
A privilege escalation vulnerability in the DOM component of Mozilla products, potentially allowing attackers to gain higher privileges within the browser context.
A privilege escalation vulnerability in the DOM: Notifications component of Firefox, which could allow an attacker to gain higher privileges within the browser context.
A privilege escalation vulnerability in the DOM: Notifications component of Firefox ESR, which could allow an attacker to gain higher privileges within the browser context.
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Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
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Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.