What is CVE-2025-66494?

CVE-2025-66494 is a high-severity vulnerability in Foxit Pdf Editor, classified under Use After Free. CVSS score: 7.8/10. Published 2025-12-19.

How severe is CVE-2025-66494?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Foxit Pdf Editor

CVE-2025-66494

A use-after-free vulnerability exists in the PDF file parsing of Foxit PDF Reader before 2025.2.1, 14.0.1, and 13.2.1 on Windows. A PDF object managed by multiple parent objects could be freed while still being referenced, potentially allowing a remote attacker to execute arbitrary code.

Vulnerability class: Use-After-Free

EPSS: 0.003 (17.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Foxit Pdf_editor
Foxit Pdf_reader
Foxit Software Inc. Pdf Editor — versions Versions 2025.2.1 and earlier, Versions 14.0.1 and earlier, Versions 13.2.1 and eariler
Foxit Software Inc. Pdf Reader — versions Versions 2025.2.1 and earlier, Versions 14.0.1 and earlier, Versions 13.2.1 and eariler
Microsoft Windows

Weakness classification (CWE)

CWE-416 — Use After Free

References

14984358-7092-470d-8f34-ade47a7658a2 (Vendor Advisory)

Frequently asked questions

What is CVE-2025-66494?: CVE-2025-66494 is a high-severity vulnerability in Foxit Pdf Editor, classified under Use After Free. CVSS score: 7.8/10. Published 2025-12-19.
How severe is CVE-2025-66494?: High severity. CVSS v3 base score is 7.8 out of 10.