Foxit Software Inc. Foxit PDF Reader vulnerabilities

Latest Foxit Software Inc. Foxit PDF Reader CVEs

Newest publication first · page 1 of 4

1. CVE-2026-91788 Foxit PDF Editor/Reader Missing Authorization Information Disclosure Vulnerability

   Published 2026-09-23

   Medium·CVSS 5.5 EPSS 0.10%

   When implementing the JavaScript interface, Foxit PDF Editor/Reader did not perform the attribute authorization checks required by the specification. As a result, a trusted malicious PDF could potentially access sensitive content from other documents within the same process and t...

2. CVE-2026-91790 Foxit PDF Editor/Reader Doc Object Use-After-Free Information Disclosure Vulnerability

   Published 2026-09-23

   High·CVSS 7.8 EPSS 0.17%

   When rendering the page image, Foxit PDF Editor/Reader fails to perform validation on image objects whose optional content attributes are malformed. As a result, the program may access an already-freed internal data structure, triggering a crash due to UAF.

3. CVE-2026-91791 Foxit PDF Editor/Reader Annotation Use-After-Free Remote Code Execution Vulnerability

   Published 2026-09-23

   High·CVSS 7.8 EPSS 0.19%

   When processing a specially crafted PDF file, Foxit PDF Editor/Reader may encounter a reentrant execution condition involving JavaScript triggered by page-visibility events. This can cause the application to access a released page-view object while calculating annotation boundari...

4. CVE-2026-91792 Foxit PDF Editor/Reader Annotation Use-After-Free Remote Code Execution Vulnerability

   Published 2026-09-23

   High·CVSS 7.8 EPSS 0.17%

   When processing a specially crafted PDF, Foxit PDF Editor/Reader may perform reentrant zoom and layout operations through page- and annotation-related JavaScript actions. This can cause the application to access page objects after they have been released, resulting in a use-after...

5. CVE-2026-91793 Foxit PDF Editor/Reader Doc Object Use-After-Free Information Disclosure Vulnerability

   Published 2026-09-23

   High·CVSS 7.8 EPSS 0.17%

   When opening a specially crafted PDF, Foxit PDF Editor/Reader executes scripts that modify annotation rich-text attributes containing malformed font data. During subsequent annotation appearance reconstruction, it accesses an object after it has been released, resulting in a use-...

6. CVE-2026-91794 Foxit PDF Editor/Reader DeviceN Colorspace Out-Of-Bounds Write Remote Code Execution Vulnerability

   Published 2026-09-23

   High·CVSS 7.8 EPSS 0.22%

   An out-of-bounds write vulnerability exists in the PDF rendering process of Foxit PDF Editor/Reader due to insufficient consistency and boundary validation when processing malformed color space data, which may cause the program to crash and potentially lead to remote code executi...

7. CVE-2026-91795 Foxit PDF Editor/Reader FileOpen Uninitialized Variable Remote Code Execution Vulnerability

   Published 2026-09-23

   High·CVSS 7.8 EPSS 0.12%

   Foxit PDF Editor/Reader's FileOpen plugin did not adequately validate certain encryption metadata in specially crafted PDF files. This could leave an internal pointer in an invalid state, resulting in chained read and write access violations and potentially enabling arbitrary cod...

8. CVE-2026-91796 Foxit PDF Editor/Reader importIcon NTLM Response Information Disclosure Vulnerability

   Published 2026-09-23

   Medium·CVSS 6.1 EPSS 0.17%

   The interface of Foxit PDF Editor/Reader lacks the permission verification for secure reading mode, which allows specially crafted PDFs to trigger external SMB authentication without any security prompts and thereby leak the hash of the user's credentials.

9. CVE-2026-91797 Foxit PDF Editor/Reader Portfolio Directory Traversal Remote Code Execution Vulnerability

   Published 2026-09-23

   High·CVSS 7.8 EPSS 0.35%

   Foxit PDF Editor/Reader failed to validate the directory traversal path in the attachment file name, resulting in malicious attachments being able to be written to directories outside the expected secure area when the PDF is opened.

10. CVE-2026-91799 Foxit Editor/Reader Array resetForm Use-After-Free Vulnerability

    Published 2026-09-23

    High·CVSS 7.8 EPSS 0.19%

    A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of JavaScript array objects. A specially crafted PDF may cause the application to access a released object during array processing, potentially resulting in application crashes or arbitrary code execution...

11. CVE-2026-91805 Use-after-free Vulnerability in Foxit PDF Editor/Reader Page-tree Handling

    Published 2026-09-23

    High·CVSS 7.8 EPSS 0.17%

    A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s PDF page-tree handling. A specially crafted PDF can trigger page-structure changes during rendering, causing the application to access released page objects and resulting in memory corruption and an application cr...

12. CVE-2026-91801 Foxit PDF Editor/Reader RichMedia Annotation Directory Traversal Remote Code Execution Vulnerability

    Published 2026-09-23

    High·CVSS 7.8 EPSS 0.21%

    A path traversal vulnerability exists in Foxit PDF Editor/Reader's handling of embedded PDF resources. Insufficient validation of resource file paths may allow files to be written outside their intended locations, potentially enabling arbitrary code execution.

13. CVE-2026-91802 Foxit PDF Editor/Reader — Heap Buffer Overflow in WebP Image Decoding via Bitmap Stride Confusion

    Published 2026-09-23

    Medium·CVSS 5.5 EPSS 0.11%

    A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s WebP image decoding due to improper handling of bitmap stride and target buffer formats. Successful exploitation could result in an application crash.

14. CVE-2026-91804 Foxit PDF Editor/Reader Out-of-bounds Write Vulnerability While Rendering

    Published 2026-09-23

    High·CVSS 7.8 EPSS 0.17%

    A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s rendering of Circle annotations with malformed Cloudy appearance streams in specially crafted PDF files. Insufficient validation of the appearance geometry can result in memory corruption and appli...

15. CVE-2026-91806 Foxit PDF Editor/Reader Doc Object Use-After-Free Information Disclosure Vulnerability

    Published 2026-09-23

    High·CVSS 7.8 EPSS 0.17%

    A use-after-free vulnerability exists in Foxit PDF Editor/Reader’s handling of PDF form fields. Embedded JavaScript may access form-field references after the corresponding fields have been released, resulting in an application crash.

16. CVE-2026-91807 Foxit PDF Editor/Reader PDF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

    Published 2026-09-23

    Medium·CVSS 6.1 EPSS 0.15%

    A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of malformed image soft-mask data. Insufficient validation of the soft-mask data attribute during image parsing may cause an arithmetic underflow, resulting in an out-of-bounds read and app...

17. CVE-2026-91798 Foxit PDF Editor/Reader Updater Privilege Escalation

    Published 2026-09-23

    High·CVSS 8.8 EPSS 0.15%

    A local privilege escalation vulnerability exists in the update daemon of Foxit PDF Editor/Reader due to an insecure permission configuration that allows the configuration file to be modified by regular users, which may lead to arbitrary script execution with higher privileges.

18. CVE-2026-91803 Security Vulnerability Report – Foxit PDF Editor/Reader Updater DLL Search Path Hijacking

    Published 2026-09-23

    High·CVSS 7.8 EPSS 0.12%

    A local privilege escalation vulnerability exists in the updater of Foxit PDF Editor/Reader due to unsafe loading of dynamic-link libraries from a user-writable directory during high-privilege operations. A local attacker could exploit this issue to execute code with elevated pri...

19. CVE-2026-91808 Foxit PDF Editor/Reader JPEG File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

    Published 2026-09-23

    Medium·CVSS 6.1 EPSS 0.15%

    A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor Reader’s handling of PDF image objects with inconsistent compression metadata. Insufficient validation during image decoding may result in an undersized buffer and an out-of-bounds read during rendering, cau...

20. CVE-2026-91810 Foxit PDF Editor/Reader Doc Object Out-Of-Bounds Read Information Disclosure Vulnerability

    Published 2026-09-23

    Medium·CVSS 6.1 EPSS 0.15%

    A heap-based out-of-bounds read vulnerability exists in Foxit PDF Editor/Reader’s handling of malformed PDF image masks. Inconsistent image metadata may cause incorrect alpha-channel processing during rendering, resulting in an out-of-bounds read and application crash.

21. CVE-2026-91811 Foxit PDF Editor/Reader PRC Stream Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

    Published 2026-09-23

    High·CVSS 7.8 EPSS 0.17%

    A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s PRC parser due to insufficient validation of vertex indices in triangular fan texture meshes. Successful exploitation could result in memory corruption and an application crash.

22. CVE-2026-91812 Foxit PDF Editor/Reader FoxitUpdater Improper Certificate Validation Local Privilege Escalation Vulnerability

    Published 2026-09-23

    High·CVSS 8.1 EPSS 0.14%

    A vulnerability in Foxit PDF Editor/Reader’s update mechanism allows man-in-the-middle attackers to bypass certificate validation and package integrity checks, potentially enabling arbitrary code execution with system privileges.

23. CVE-2026-91813 Foxit PDF Editor/Reader FoxitUpdater Race Condition Local Privilege Escalation Vulnerability

    Published 2026-09-23

    High·CVSS 7.8 EPSS 0.09%

    A vulnerability in Foxit PDF Editor/Reader’s update mechanism allows an update package to be replaced between download and high-privilege extraction due to insufficient file locking and integrity validation. This could enable local attackers to execute arbitrary code with elevate...

24. CVE-2026-91815 Foxit PDF Editor/Reader JPEG2000 Parsing Memory Corruption Remote Code Execution Vulnerability

    Published 2026-09-23

    High·CVSS 7.8 EPSS 0.19%

    Foxit PDF Editor/Reader does not perform sufficient verification of the JPEG2000 image metadata in the PDF file, which leads to out-of-bounds write in the heap buffer during decoding, potentially causing the program to crash and introducing the risk of arbitrary code execution.

25. CVE-2026-91814 Security vulnerability: Foxit PDF Editor/Reader Fails to Detect Modifications to Signed Documents Displaying Newly Added Content

    Published 2026-09-23

    Medium·CVSS 5.5 EPSS 0.10%

    A signature validation vulnerability exists in Foxit PDF Editor/Reader’s handling of incrementally updated PDF documents. Changes to visible document content may not invalidate the existing signature, allowing attackers to alter signed content and potentially carry out content sp...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.