CVE-2026-5939 - Vulnerability Details - OpenCVE

A crafted XFA PDF can trigger a use-after-free condition during calculate event processing, causing the application to crash and resulting in an arbitrary code execution.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00015.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Foxit Software Inc.

Foxit PDF Editor

unaffected

Version	Status	Constraints
`Versions 2026.1 and earlier`	affected	—
`Versions 14.0.3 and earlier`	affected	—

Foxit Software Inc.

Foxit PDF Reader

unaffected

Version	Status	Constraints
`Versions 2026.1 and earlier`	affected	—

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

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

History

Mon, 27 Apr 2026 14:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Mon, 27 Apr 2026 11:30:00 +0000

Type	Values Removed	Values Added
Description		A crafted XFA PDF can trigger a use-after-free condition during calculate event processing, causing the application to crash and resulting in an arbitrary code execution.
Title		UAF in Foxit PDF Editor/Reader via XFA calculate event
Weaknesses		CWE-416
References		https://www.foxit.com/support/security-bulletins.html
Metrics		cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Foxit

Published: 2026-04-27T11:00:29.102Z

Updated: 2026-04-27T13:43:38.558Z

Reserved: 2026-04-09T03:42:09.733Z

Link: CVE-2026-5939

Vulnrichment

Updated: 2026-04-27T13:40:21.534Z

NVD

Status : Received

Published: 2026-04-27T12:16:24.263

Modified: 2026-04-27T12:16:24.263

Link: CVE-2026-5939

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-416

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