CVE-2025-66495

Name: CVE-2025-66495
Creator: NVD / NIST
Published: 2025-12-19T07:16:02.38+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2025-66495 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A use-after-free vulnerability exists in the annotation handling of Foxit PDF Reader before 2025.2.1, 14.0.1, and 13.2.1 on Windows and MacOS. When opening a PDF containing specially crafted JavaScript, a pointer to memory that has already been freed may be accessed or dereferenced, potentially allowing a remote attacker to execute arbitrary code.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

A use-after-free vulnerability exists in the annotation handling of Foxit PDF Reader before 2025.2.1, 14.0.1, and 13.2.1 on Windows and MacOS. When opening a PDF containing specially crafted JavaScript, a pointer to memory that has already been freed may be accessed or dereferenced, potentially allowing a remote attacker to execute arbitrary code.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.26%

16.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions
Foxit	Pdf Editor	<= 13.2.1.23955
Foxit	Pdf Editor	>= 14.0.0.33046, <= 14.0.1.33197
Foxit	Pdf Editor	>= 2023.1.0.15510, <= 2023.3.0.23028
Foxit	Pdf Editor	>= 2024.1.0.23997, <= 2024.4.1.27687
Foxit	Pdf Editor	>= 2025.1.0.27937, <= 2025.2.1.33197
Foxit	Pdf Reader	<= 2025.2.1.33197
Foxit	Pdf Editor	<= 13.2.1.63315
Foxit	Pdf Editor	>= 14.0.0.33046, <= 14.0.1.69005
Foxit	Pdf Editor	>= 2023.1.0.15510, <= 2023.3.0.63083
Foxit	Pdf Editor	>= 2024.1.0.23997, <= 2024.4.1.66479
Foxit	Pdf Editor	>= 2025.1.0.27937, <= 2025.2.1.69005
Foxit	Pdf Reader	<= 2025.2.1.69005

References

https://www.foxit.com/support/security-bulletins.htmlVendor Advisory

Timeline

Published: Dec 19, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-66495?

How severe is CVE-2025-66495?

CVE-2025-66495 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2025-66495?

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-2025-66495?

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

Scan your code now

Source: NVD / NIST