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CVE-2026-5939

UAF in Foxit PDF Editor/Reader via XFA calculate event

Published: Apr 27, 2026Updated: Apr 29, 2026 Sources: CVE List NVDCWE-416

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High

Weaknesses

Affected Products

Foxit Software Inc.
commercial·USaka foxit pdf reader, foxit pdf editor
foxit
commercial·CNaka foxit reader, foxit pdf

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

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