7.8

CVE-2025-66493: foxit software inc. foxit pdf editor Use After Free

CVSS: 7.8v3.1HighAnalyzed
Published 19-12-2025Last modified 19-12-2025
Open JSON

Vulnerability summary

CVE-2025-66493 is a high (CVSS 7.8) Use After Free vulnerability in foxit software inc. foxit pdf editor. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.9% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.30%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 19-12-2025
    PublishedVulnerability first disclosed.
  2. 19-12-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.30%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

0.00 pp

From 0.30% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.30%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Foxit2 products
  • pdf_editor≤ 13.2.1.23955 | ≥ 14.0.0.33046, ≤ 14.0.1.33197 | ≥ 2023.1.0.15510, ≤ 2023.3.0.23028 | ≥ 2024.1.0.23997, ≤ 2024.4.1.27687 | ≥ 2025.1.0.27937, ≤ 2025.2.1.33197
  • pdf_reader≤ 2025.2.1.33197
Foxit software inc.2 products
  • foxit pdf editorVersions 2025.2.1 and earlier | Versions 14.0.1 and earlier | Versions 13.2.1 and earlier
  • foxit pdf readerVersions 2025.2.1 and earlier | Versions 14.0.1 and earlier | Versions 13.2.1 and earlier

2 vendors · 4 products

References

1 links