CVE-2026-6762

MEDIUM SEVERITY

CVSS Score & Metrics

Base Score

6.3 / 10

Vector String

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

Vulnerability 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.

Vulnerability Details

Published Date

April 21, 2026

Last Modified

April 22, 2026

CWE ID

CWE-290

Source

NVD

Vendor

mozilla

Product

firefox

External References

https://bugzilla.mozilla.org/show_bug.cgi?id=2021080
https://www.mozilla.org/security/advisories/mfsa2026-30/
https://www.mozilla.org/security/advisories/mfsa2026-31/
https://www.mozilla.org/security/advisories/mfsa2026-32/

CVE-2026-6762

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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