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CVE-2025-14323 is a high-severity privilege escalation vulnerability in the DOM Notifications component of Mozilla Firefox and related ESR releases. The issue affects Firefox before 146, Firefox ESR before 115.31, and Firefox ESR before 140.6. Available information identifies the vulnerable area only at the component level and does not provide sufficient technical detail about the specific root cause or affected function. The flaw is remotely reachable in the context of browser content processing and requires user interaction, such as visiting attacker-controlled web content, after which an attacker may be able to elevate privileges within the browser’s security model.
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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 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 ESR, which could allow an attacker 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.
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.