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VulnerabilityPublished

CVE-2026-124936: Mozilla Firefox · Spoofing issue in the Address Bar component

Affects Mozilla FirefoxSource CVE Database V5

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Not known to be exploited.

Data as of 10 Nov 2026, 13:37 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Mozilla FirefoxAffected
  • <160
Fixed in
  • 160

AI-suggested

Users should update to Firefox version 160 or later, where this vulnerability has been fixed. Applying this official fix eliminates the risk associated with this spoofing issue.

Description

CVE-2026-124936 is a spoofing vulnerability in the Address Bar component of Mozilla Firefox. This issue could allow an attacker to mislead users by displaying deceptive information in the browser's address bar. The vulnerability was fixed in Firefox version 160.

References

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