CVE-2026-92039mediumCWE-693

CVE-2026-92039: medium-severity vulnerability in Mozilla Firefox

Mitigation bypass in the DOM: Notifications component

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.3epss 0.2%
Mitigation bypass in the DOM: Notifications component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Affected products
Mozilla · FirefoxMozilla · Thunderbird
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