CVE-2026-24869

Name: CVE-2026-24869
Creator: NVD / NIST
Published: 2026-01-27T16:16:36.283+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2026-24869 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Use-after-free in the Layout: Scrolling and Overflow component. This vulnerability was fixed in Firefox 147.0.2.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

Use-after-free in the Layout: Scrolling and Overflow component. This vulnerability was fixed in Firefox 147.0.2.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.21%

11.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 147.0.2

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2008698Permissions Required
https://www.mozilla.org/security/advisories/mfsa2026-06/Vendor Advisory

Timeline

Published: Jan 27, 2026
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2026-24869?

Use-after-free in the Layout: Scrolling and Overflow component. This vulnerability was fixed in Firefox 147.0.2.

How severe is CVE-2026-24869?

CVE-2026-24869 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2026-24869?

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-2026-24869?

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

Scan your code now

Source: NVD / NIST