CVE-2026-6762

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CVSS 3.1

6.3 medium

EPSS

<1%p5

Published

Apr 21, 2026 (Apr 21, 2026)

Modified

Jun 17, 2026

Description

Spoofing issue in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

Vendors: mozilla
Products: firefox, thunderbird
Weakness: CWE-290
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

NVD CVE.org GitHub PoCs EPSS (0.2%)

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