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CVE-2025-66493

HIGHCVSS 7.8/10EPSS 0.26%

Last modified

CVE-2025-66493 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A use-after-free vulnerability exists in the AcroForm handling of Foxit PDF Reader and Foxit PDF Editor before 2025.2.1,14.0.1 and 13.2.1 on Windows . 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 AcroForm handling of Foxit PDF Reader and Foxit PDF Editor before 2025.2.1,14.0.1 and 13.2.1 on Windows . 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

Affected Software

VendorProductVersions
FoxitPdf Editor<= 13.2.1.23955
FoxitPdf Editor>= 14.0.0.33046, <= 14.0.1.33197
FoxitPdf Editor>= 2023.1.0.15510, <= 2023.3.0.23028
FoxitPdf Editor>= 2024.1.0.23997, <= 2024.4.1.27687
FoxitPdf Editor>= 2025.1.0.27937, <= 2025.2.1.33197
FoxitPdf Reader<= 2025.2.1.33197

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-66493?
A use-after-free vulnerability exists in the AcroForm handling of Foxit PDF Reader and Foxit PDF Editor before 2025.2.1,14.0.1 and 13.2.1 on Windows . 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.
How severe is CVE-2025-66493?
CVE-2025-66493 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-2025-66493?
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-2025-66493?

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

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Source: NVD / NIST