CVE-2026-5941

HIGH 7.8

Foxit PDF Editor/Reader AcroForm Signature Remote Code Execution Vulnerability

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

0th

Parsing logic flaws cause non-signature data to be misidentified as valid signatures when processing malformed form field hierarchies, leading to invalid memory writes and program crashes during internal data structure construction.

CWE	CWE-20
Vendor	foxit software inc.
Product	foxit pdf editor
Published	Apr 27, 2026
Last Updated	Apr 27, 2026

Stay Ahead of the Next One

Get instant alerts for foxit software inc. foxit pdf editor

Be the first to know when new high vulnerabilities affecting foxit software inc. foxit pdf editor are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

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 2026.1 and earlier Versions 14.0.3 and earlier

Foxit Software Inc. / Foxit PDF Reader

Versions 2026.1 and earlier

References

NVD ↗ CVE.org ↗ EPSS Data ↗

foxit.com: https://www.foxit.com/support/security-bulletins.html

Credits

Anonymous working with TrendAI Zero Day Initiative