CVE-2026-5943

Foxit PDF Editor/Reader AcroForm Annotation Use-After-Free Remote Code Execution Vulnerability

Published Apr 27, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
Document structural anomalies caused inconsistencies between page element relationships and internal index states. When scripts triggered document modifications, object reference validity was not properly maintained, leading to a crash when accessing an invalid pointer during page information queries.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Foxit
Foxit pdf Editor
Foxit pdf Reader
CPEs cpe:2.3:a:foxit:pdf_editor:*:*:*:*:*:*:*:*
cpe:2.3:a:foxit:pdf_reader:*:*:*:*:*:*:*:*
Vendors & Products Foxit
Foxit pdf Editor
Foxit pdf Reader
Type Values Removed Values Added
First Time appeared Foxitsoftware
Foxitsoftware foxit Pdf Editor
Foxitsoftware foxit Reader
Vendors & Products Foxitsoftware
Foxitsoftware foxit Pdf Editor
Foxitsoftware foxit Reader
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Document structural anomalies caused inconsistencies between page element relationships and internal index states. When scripts triggered document modifications, object reference validity was not properly maintained, leading to a crash when accessing an invalid pointer during page information queries.
Title Foxit PDF Editor/Reader AcroForm Annotation Use-After-Free Remote Code Execution Vulnerability
Weaknesses CWE-416
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Foxit
Published
Updated
Apr 28, 2026, 3:55 AM
Reserved
Apr 9, 2026, 3:42 AM
Status
Analyzed
Published
Apr 27, 2026, 12:16 PM
Modified
Oct 26, 2026, 9:10 PM