PT-2026-33960 · Mozilla · Firefox

Lebr0Nli · Published 2026-04-21 · Updated 2026-04-21 · CVE-2026-6774

NVD

CVSS v3.1

5.4

Medium

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

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

Fix

Protection Mechanism Failure

Weakness Enumeration

CWE-693

Related Identifiers

CVE-2026-6774

Affected Products

Firefox

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-6774 · Security Note
• https://mozilla.org/security/advisories/mfsa2026-30 · Vendor Advisory
• https://bugzilla.mozilla.org/show_bug.cgi?id=2016915 · Note