CVE-2026-3779

HIGH 7.8

Foxit PDF Editor/Reader List Box Calculate Array Use-After-Free Vulnerability

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

5th

The application's list box calculate array logic keeps stale references to page or form objects after they are deleted or re-created, which allows crafted documents to trigger a use-after-free when the calculation runs and can potentially lead to arbitrary code execution.

CWE	CWE-416
Vendor	foxit software inc.
Product	foxit pdf editor
Published	Apr 1, 2026
Last Updated	Apr 2, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Foxit Software Inc. / Foxit PDF Editor

Versions 2025.3 and earlier Versions 14.0.2 and earlier Versions 13.2.2 and earlier

Foxit Software Inc. / Foxit PDF Reader

Versions 2025.3 and earlier

References

NVD ↗ CVE.org ↗ EPSS Data ↗

foxit.com: https://www.foxit.com/support/security-bulletins.html talosintelligence.com: https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2365

Credits

KPC of Cisco Talos