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I. Basic Information for CVE-2026-5939
Vulnerability Information
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Vulnerability Title
UAF in Foxit PDF Editor/Reader via XFA calculate event
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
Foxit Software Inc.Foxit PDF Editor Versions 2026.1 and earlier -
Foxit Software Inc.Foxit PDF Reader Versions 2026.1 and earlier -
II. Public POCs for CVE-2026-5939
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III. Intelligence Information for CVE-2026-5939
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IV. Related Vulnerabilities
Same product: Foxit PDF Editor
Same vendor: Foxit Software Inc.
Same weakness: CWE-416
V. Comments for CVE-2026-5939

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