CVE-2026-16404 — HIGH (7.4)

Q: What is CVE-2026-16404?

CVE-2026-16404 is a vulnerability with a CVSS score of 7.4 (HIGH). Spoofing issue in Firefox for Android. This vulnerability was fixed in Firefox 153.

Q: How severe is CVE-2026-16404?

CVE-2026-16404 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-16404?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox Mobile.

Vulnerability Description

Spoofing issue in Firefox for Android. This vulnerability was fixed in Firefox 153.

CVSS Score

7.4

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Mozilla	Firefox Mobile	< 153.0

Related Weaknesses (CWE)

CWE-290

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2020253Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-68/Vendor Advisory

FAQ

What is CVE-2026-16404?

CVE-2026-16404 is a vulnerability with a CVSS score of 7.4 (HIGH). Spoofing issue in Firefox for Android. This vulnerability was fixed in Firefox 153.

How severe is CVE-2026-16404?

CVE-2026-16404 has been rated HIGH with a CVSS base score of 7.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-16404?

Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox Mobile.