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CVE-2026-6774
MEDIUM5.4
Description
Mitigation bypass in the DOM: Security component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
CVE Details
CVSS v3.1 Score5.4
SeverityMEDIUM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredLOW
User InteractionREQUIRED
Published4/21/2026
Last Modified4/22/2026
Sourcenvd
Honeypot Sightings0
Affected Products
mozilla:firefoxmozilla:thunderbird
Weaknesses (CWE)
CWE-693
References
https://bugzilla.mozilla.org/show_bug.cgi?id=2016915(security@mozilla.org)
https://www.mozilla.org/security/advisories/mfsa2026-30/(security@mozilla.org)
https://www.mozilla.org/security/advisories/mfsa2026-33/(security@mozilla.org)
IOC Correlations
No correlations recorded
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