Spoofing Vulnerability CVE-2026-16404 in Firefox Android
CVE-2026-16404 Published on July 21, 2026

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

NVD

Vulnerability Analysis

CVE-2026-16404 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
CHANGED
Confidentiality Impact:
NONE
Integrity Impact:
HIGH
Availability Impact:
NONE

Weakness Type

Authentication Bypass by Spoofing

This attack-focused weakness is caused by improperly implemented authentication schemes that are subject to spoofing attacks.


Products Associated with CVE-2026-16404

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Mozilla Firefox
 

Affected Versions

Mozilla Firefox:

Exploit Probability

EPSS
0.16%
Percentile
5.59%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.