SEPTEMBER 7, 2026
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Case File

CVE-2026-16403

MEDIUM · CVSS 6.5 EPSS 0.20%

Source: NVD + CISA KEV + EPSS · Published 2026-07-21 · Last synced 2026-08-20

CyberRota Analysis

AI-Generated

A spoofing vulnerability in the Address Bar component of Firefox could allow attackers to manipulate the display of URLs, potentially misleading users about the authenticity of websites. This could lead to phishing attacks or other deceptive practices, impacting user trust and security. Organizations and users relying on Firefox should prioritize updating to version 153 or later to mitigate this risk.

CVE
CVE-2026-16403
Severity
MEDIUM
CVSS
6.5
EPSS
0.20%
Firefox

Original NVD Description

Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-84642 HIGH CVE-2026-84641 HIGH CVE-2026-84640 HIGH CVE-2026-84639 CRITICAL CVE-2026-84637 CRITICAL CVE-2026-84145 HIGH