CVE-2024-4766

Name: CVE-2024-4766
Creator: NVD / NIST
Published: 2024-05-14T18:15:13.393+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2024-4766 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Different techniques existed to obscure the fullscreen notification in Firefox for Android. These could have led to potential user confusion and spoofing attacks. *This bug only affects Firefox for Android. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

Different techniques existed to obscure the fullscreen notification in Firefox for Android. These could have led to potential user confusion and spoofing attacks. *This bug only affects Firefox for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox < 126.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

EPSS Probability

0.39%

31.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 126.0

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1871214Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1871217Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2024-21/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1871214Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1871217Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2024-21/Vendor Advisory

Timeline

Published: May 14, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-4766?

How severe is CVE-2024-4766?

CVE-2024-4766 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2024-4766?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-4766?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST