CVE-2026-92074highCWE-693

CVE-2026-92074: high-severity vulnerability in Mozilla Firefox

Mitigation bypass in the Popup Blocker component

Published · Updated

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21Vexday Risk Score

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

ssvc Trackcvss 8.8epss 0.1%
Mitigation bypass in the Popup Blocker component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected products
Mozilla · FirefoxMozilla · Thunderbird
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