CVE-2026-16404: Vulnerability in Mozilla Firefox
CVE-2026-16404 is a spoofing vulnerability affecting Firefox for Android versions prior to 153. The issue allows an attacker to potentially deceive users by presenting false information in the browser interface. This vulnerability has been addressed and fixed in Firefox 153. The CVSS score is 7.4, indicating a high severity level, with the impact primarily on integrity. No known exploits are reported in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-16404 is a spoofing vulnerability in Firefox for Android that could allow an attacker to mislead users by spoofing browser content or UI elements. The vulnerability affects all Firefox for Android versions before 153 and was resolved in Firefox 153. The CVSS 3.1 vector indicates the attack requires no privileges, has low complexity, user interaction is required, and the scope is changed. The impact is on integrity with no confidentiality or availability impact. Mozilla published an advisory (MFSA 2026-68) listing this and other vulnerabilities fixed in Firefox 153.
Potential Impact
The vulnerability allows an attacker to spoof content in Firefox for Android, potentially misleading users and causing them to trust malicious content or interfaces. The integrity of the browser's displayed information can be compromised. There is no direct impact on confidentiality or availability. No known active exploits have been reported.
Mitigation Recommendations
This vulnerability is fixed in Firefox 153. Users and administrators should update Firefox for Android to version 153 or later to remediate this issue. No additional mitigation steps are required beyond applying the official update.
CVE-2026-16404: Vulnerability in Mozilla Firefox
Description
CVE-2026-16404 is a spoofing vulnerability affecting Firefox for Android versions prior to 153. The issue allows an attacker to potentially deceive users by presenting false information in the browser interface. This vulnerability has been addressed and fixed in Firefox 153. The CVSS score is 7.4, indicating a high severity level, with the impact primarily on integrity. No known exploits are reported in the wild at this time.
CVSS v3.1
Score 7.4high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-16404 is a spoofing vulnerability in Firefox for Android that could allow an attacker to mislead users by spoofing browser content or UI elements. The vulnerability affects all Firefox for Android versions before 153 and was resolved in Firefox 153. The CVSS 3.1 vector indicates the attack requires no privileges, has low complexity, user interaction is required, and the scope is changed. The impact is on integrity with no confidentiality or availability impact. Mozilla published an advisory (MFSA 2026-68) listing this and other vulnerabilities fixed in Firefox 153.
Potential Impact
The vulnerability allows an attacker to spoof content in Firefox for Android, potentially misleading users and causing them to trust malicious content or interfaces. The integrity of the browser's displayed information can be compromised. There is no direct impact on confidentiality or availability. No known active exploits have been reported.
Mitigation Recommendations
This vulnerability is fixed in Firefox 153. Users and administrators should update Firefox for Android to version 153 or later to remediate this issue. No additional mitigation steps are required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-07-20T21:57:40.223Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-68/","vendor":"Mozilla"}]
Threat ID: 6a5f6cc22a4a8d598926295a
Added to database: 07/21/2026, 12:57:38 UTC
Last enriched: 07/30/2026, 09:53:29 UTC
Last updated: 09/03/2026, 22:52:09 UTC
Views: 57
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