CVE-2026-2634

CRITICAL
2026-02-24 [email protected]
9.8
CVSS 3.1
Share

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Feb 24, 2026 - 14:16 nvd
CRITICAL 9.8

Tags

iOS Firefox Apple

Description

Malicious scripts could cause desynchronization between the address bar and web content before a response is received in Firefox iOS, allowing attacker-controlled pages to be presented under spoofed domains. This vulnerability affects Firefox for iOS < 147.4.

Analysis

Address bar spoofing in Firefox before 148 allows malicious scripts to desynchronize the displayed URL from actual web content before receiving a response, enabling phishing attacks.

Sign in for full analysis, threat intelligence, and remediation guidance.

Remediation

Within 24 hours: Issue security alert to all staff using Firefox iOS, advising against business-critical transactions on affected versions and recommending Chrome/Safari as temporary alternatives. Within 7 days: Inventory all Firefox iOS deployments across organization; disable iOS Firefox in Mobile Device Management (MDM) if business-critical usage detected. …

Sign in for detailed remediation steps.

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Sign in - Free

Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +49
POC: 0

Share

CVE-2026-2634 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy