CVE-2026-6774

Mitigation bypass in the DOM: Security component

CVSS 5.4 MEDIUMEPSS 0.2%CWE-693

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.4EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

21 Apr 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

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References